[PATCH v4 04/25] tools/testing/vma: convert bulk of test code to vma_flags_t
"Lorenzo Stoakes (Oracle)" <[email protected]>
| Newsgroups | gmane.linux.ports.riscv,gmane.linux.kernel.mm,gmane.linux.kernel,gmane.linux.kernel.arc,gmane.linux.ports.arm.kernel,gmane.linux.ports.hexagon,gmane.linux.ports.mips,gmane.linux.ports.ppc64.devel,gmane.linux.uml.devel,gmane.linux.file-systems |
|---|---|
| Message-ID | <df90efe29300bd899989f695be4ae3adc901a828.1774034900.git.ljs@kernel.org> |
Convert the test code to utilise vma_flags_t as opposed to the deprecate vm_flags_t as much as possible. As part of this change, add VMA_STICKY_FLAGS and VMA_SPECIAL_FLAGS as early versions of what these defines will look like in the kernel logic once this logic is implemented. Signed-off-by: Lorenzo Stoakes (Oracle) <[email protected]> --- tools/testing/vma/include/custom.h | 7 + tools/testing/vma/include/dup.h | 7 +- tools/testing/vma/shared.c | 8 +- tools/testing/vma/shared.h | 4 +- tools/testing/vma/tests/merge.c | 313 +++++++++++++++-------------- tools/testing/vma/tests/vma.c | 10 +- 6 files changed, 186 insertions(+), 163 deletions(-) diff --git a/tools/testing/vma/include/custom.h b/tools/testing/vma/include/custom.h index 578045caf5ca..6200f938e586 100644 --- a/tools/testing/vma/include/custom.h +++ b/tools/testing/vma/include/custom.h @@ -132,3 +132,10 @@ static __always_inline bool vma_flags_same_mask(vma_flags_t *flags, } #define vma_flags_same(flags, ...) \ vma_flags_same_mask(flags, mk_vma_flags(__VA_ARGS__)) +#define VMA_SPECIAL_FLAGS mk_vma_flags(VMA_IO_BIT, VMA_DONTEXPAND_BIT, \ + VMA_PFNMAP_BIT, VMA_MIXEDMAP_BIT) +#ifdef CONFIG_MEM_SOFT_DIRTY +#define VMA_STICKY_FLAGS mk_vma_flags(VMA_SOFTDIRTY_BIT, VMA_MAYBE_GUARD_BIT) +#else +#define VMA_STICKY_FLAGS mk_vma_flags(VMA_MAYBE_GUARD_BIT) +#endif diff --git a/tools/testing/vma/include/dup.h b/tools/testing/vma/include/dup.h index 58e063b1ee27..1dee78c34872 100644 --- a/tools/testing/vma/include/dup.h +++ b/tools/testing/vma/include/dup.h @@ -507,10 +507,7 @@ struct vm_area_desc { /* Mutable fields. Populated with initial state. */ pgoff_t pgoff; struct file *vm_file; - union { - vm_flags_t vm_flags; - vma_flags_t vma_flags; - }; + vma_flags_t vma_flags; pgprot_t page_prot; /* Write-only fields. */ @@ -1146,7 +1143,7 @@ static inline int __compat_vma_mmap(const struct file_operations *f_op, .pgoff = vma->vm_pgoff, .vm_file = vma->vm_file, - .vm_flags = vma->vm_flags, + .vma_flags = vma->flags, .page_prot = vma->vm_page_prot, .action.type = MMAP_NOTHING, /* Default */ diff --git a/tools/testing/vma/shared.c b/tools/testing/vma/shared.c index bda578cc3304..2565a5aecb80 100644 --- a/tools/testing/vma/shared.c +++ b/tools/testing/vma/shared.c @@ -14,7 +14,7 @@ struct task_struct __current; struct vm_area_struct *alloc_vma(struct mm_struct *mm, unsigned long start, unsigned long end, - pgoff_t pgoff, vm_flags_t vm_flags) + pgoff_t pgoff, vma_flags_t vma_flags) { struct vm_area_struct *vma = vm_area_alloc(mm); @@ -24,7 +24,7 @@ struct vm_area_struct *alloc_vma(struct mm_struct *mm, vma->vm_start = start; vma->vm_end = end; vma->vm_pgoff = pgoff; - vm_flags_reset(vma, vm_flags); + vma->flags = vma_flags; vma_assert_detached(vma); return vma; @@ -38,9 +38,9 @@ void detach_free_vma(struct vm_area_struct *vma) struct vm_area_struct *alloc_and_link_vma(struct mm_struct *mm, unsigned long start, unsigned long end, - pgoff_t pgoff, vm_flags_t vm_flags) + pgoff_t pgoff, vma_flags_t vma_flags) { - struct vm_area_struct *vma = alloc_vma(mm, start, end, pgoff, vm_flags); + struct vm_area_struct *vma = alloc_vma(mm, start, end, pgoff, vma_flags); if (vma == NULL) return NULL; diff --git a/tools/testing/vma/shared.h b/tools/testing/vma/shared.h index e2e5d6ef6bdd..8b9e3b11c3cb 100644 --- a/tools/testing/vma/shared.h +++ b/tools/testing/vma/shared.h @@ -94,7 +94,7 @@ static inline void dummy_close(struct vm_area_struct *) /* Helper function to simply allocate a VMA. */ struct vm_area_struct *alloc_vma(struct mm_struct *mm, unsigned long start, unsigned long end, - pgoff_t pgoff, vm_flags_t vm_flags); + pgoff_t pgoff, vma_flags_t vma_flags); /* Helper function to detach and free a VMA. */ void detach_free_vma(struct vm_area_struct *vma); @@ -102,7 +102,7 @@ void detach_free_vma(struct vm_area_struct *vma); /* Helper function to allocate a VMA and link it to the tree. */ struct vm_area_struct *alloc_and_link_vma(struct mm_struct *mm, unsigned long start, unsigned long end, - pgoff_t pgoff, vm_flags_t vm_flags); + pgoff_t pgoff, vma_flags_t vma_flags); /* * Helper function to reset the dummy anon_vma to indicate it has not been diff --git a/tools/testing/vma/tests/merge.c b/tools/testing/vma/tests/merge.c index 3708dc6945b0..d3e725dc0000 100644 --- a/tools/testing/vma/tests/merge.c +++ b/tools/testing/vma/tests/merge.c @@ -33,7 +33,7 @@ static int expand_existing(struct vma_merge_struct *vmg) * specified new range. */ void vmg_set_range(struct vma_merge_struct *vmg, unsigned long start, - unsigned long end, pgoff_t pgoff, vm_flags_t vm_flags) + unsigned long end, pgoff_t pgoff, vma_flags_t vma_flags) { vma_iter_set(vmg->vmi, start); @@ -45,7 +45,7 @@ void vmg_set_range(struct vma_merge_struct *vmg, unsigned long start, vmg->start = start; vmg->end = end; vmg->pgoff = pgoff; - vmg->vm_flags = vm_flags; + vmg->vma_flags = vma_flags; vmg->just_expand = false; vmg->__remove_middle = false; @@ -56,10 +56,10 @@ void vmg_set_range(struct vma_merge_struct *vmg, unsigned long start, /* Helper function to set both the VMG range and its anon_vma. */ static void vmg_set_range_anon_vma(struct vma_merge_struct *vmg, unsigned long start, - unsigned long end, pgoff_t pgoff, vm_flags_t vm_flags, + unsigned long end, pgoff_t pgoff, vma_flags_t vma_flags, struct anon_vma *anon_vma) { - vmg_set_range(vmg, start, end, pgoff, vm_flags); + vmg_set_range(vmg, start, end, pgoff, vma_flags); vmg->anon_vma = anon_vma; } @@ -71,12 +71,12 @@ static void vmg_set_range_anon_vma(struct vma_merge_struct *vmg, unsigned long s */ static struct vm_area_struct *try_merge_new_vma(struct mm_struct *mm, struct vma_merge_struct *vmg, unsigned long start, - unsigned long end, pgoff_t pgoff, vm_flags_t vm_flags, + unsigned long end, pgoff_t pgoff, vma_flags_t vma_flags, bool *was_merged) { struct vm_area_struct *merged; - vmg_set_range(vmg, start, end, pgoff, vm_flags); + vmg_set_range(vmg, start, end, pgoff, vma_flags); merged = merge_new(vmg); if (merged) { @@ -89,23 +89,24 @@ static struct vm_area_struct *try_merge_new_vma(struct mm_struct *mm, ASSERT_EQ(vmg->state, VMA_MERGE_NOMERGE); - return alloc_and_link_vma(mm, start, end, pgoff, vm_flags); + return alloc_and_link_vma(mm, start, end, pgoff, vma_flags); } static bool test_simple_merge(void) { struct vm_area_struct *vma; - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, VMA_MAYREAD_BIT, + VMA_MAYWRITE_BIT); struct mm_struct mm = {}; - struct vm_area_struct *vma_left = alloc_vma(&mm, 0, 0x1000, 0, vm_flags); - struct vm_area_struct *vma_right = alloc_vma(&mm, 0x2000, 0x3000, 2, vm_flags); + struct vm_area_struct *vma_left = alloc_vma(&mm, 0, 0x1000, 0, vma_flags); + struct vm_area_struct *vma_right = alloc_vma(&mm, 0x2000, 0x3000, 2, vma_flags); VMA_ITERATOR(vmi, &mm, 0x1000); struct vma_merge_struct vmg = { .mm = &mm, .vmi = &vmi, .start = 0x1000, .end = 0x2000, - .vm_flags = vm_flags, + .vma_flags = vma_flags, .pgoff = 1, }; @@ -118,7 +119,7 @@ static bool test_simple_merge(void) ASSERT_EQ(vma->vm_start, 0); ASSERT_EQ(vma->vm_end, 0x3000); ASSERT_EQ(vma->vm_pgoff, 0); - ASSERT_EQ(vma->vm_flags, vm_flags); + ASSERT_FLAGS_SAME_MASK(&vma->flags, vma_flags); detach_free_vma(vma); mtree_destroy(&mm.mm_mt); @@ -129,11 +130,12 @@ static bool test_simple_merge(void) static bool test_simple_modify(void) { struct vm_area_struct *vma; - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, VMA_MAYREAD_BIT, + VMA_MAYWRITE_BIT); + vm_flags_t legacy_flags = VM_READ | VM_WRITE; struct mm_struct mm = {}; - struct vm_area_struct *init_vma = alloc_vma(&mm, 0, 0x3000, 0, vm_flags); + struct vm_area_struct *init_vma = alloc_vma(&mm, 0, 0x3000, 0, vma_flags); VMA_ITERATOR(vmi, &mm, 0x1000); - vm_flags_t flags = VM_READ | VM_MAYREAD; ASSERT_FALSE(attach_vma(&mm, init_vma)); @@ -142,7 +144,7 @@ static bool test_simple_modify(void) * performs the merge/split only. */ vma = vma_modify_flags(&vmi, init_vma, init_vma, - 0x1000, 0x2000, &flags); + 0x1000, 0x2000, &legacy_flags); ASSERT_NE(vma, NULL); /* We modify the provided VMA, and on split allocate new VMAs. */ ASSERT_EQ(vma, init_vma); @@ -189,9 +191,10 @@ static bool test_simple_modify(void) static bool test_simple_expand(void) { - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, VMA_MAYREAD_BIT, + VMA_MAYWRITE_BIT); struct mm_struct mm = {}; - struct vm_area_struct *vma = alloc_vma(&mm, 0, 0x1000, 0, vm_flags); + struct vm_area_struct *vma = alloc_vma(&mm, 0, 0x1000, 0, vma_flags); VMA_ITERATOR(vmi, &mm, 0); struct vma_merge_struct vmg = { .vmi = &vmi, @@ -217,9 +220,10 @@ static bool test_simple_expand(void) static bool test_simple_shrink(void) { - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, VMA_MAYREAD_BIT, + VMA_MAYWRITE_BIT); struct mm_struct mm = {}; - struct vm_area_struct *vma = alloc_vma(&mm, 0, 0x3000, 0, vm_flags); + struct vm_area_struct *vma = alloc_vma(&mm, 0, 0x3000, 0, vma_flags); VMA_ITERATOR(vmi, &mm, 0); ASSERT_FALSE(attach_vma(&mm, vma)); @@ -238,7 +242,8 @@ static bool test_simple_shrink(void) static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, bool c_is_sticky) { - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, + VMA_MAYREAD_BIT, VMA_MAYWRITE_BIT); struct mm_struct mm = {}; VMA_ITERATOR(vmi, &mm, 0); struct vma_merge_struct vmg = { @@ -265,31 +270,31 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, bool merged; if (is_sticky) - vm_flags |= VM_STICKY; + vma_flags_set_mask(&vma_flags, VMA_STICKY_FLAGS); /* * 0123456789abc * AA B CC */ - vma_a = alloc_and_link_vma(&mm, 0, 0x2000, 0, vm_flags); + vma_a = alloc_and_link_vma(&mm, 0, 0x2000, 0, vma_flags); ASSERT_NE(vma_a, NULL); if (a_is_sticky) - vm_flags_set(vma_a, VM_STICKY); + vma_flags_set_mask(&vma_a->flags, VMA_STICKY_FLAGS); /* We give each VMA a single avc so we can test anon_vma duplication. */ INIT_LIST_HEAD(&vma_a->anon_vma_chain); list_add(&dummy_anon_vma_chain_a.same_vma, &vma_a->anon_vma_chain); - vma_b = alloc_and_link_vma(&mm, 0x3000, 0x4000, 3, vm_flags); + vma_b = alloc_and_link_vma(&mm, 0x3000, 0x4000, 3, vma_flags); ASSERT_NE(vma_b, NULL); if (b_is_sticky) - vm_flags_set(vma_b, VM_STICKY); + vma_flags_set_mask(&vma_b->flags, VMA_STICKY_FLAGS); INIT_LIST_HEAD(&vma_b->anon_vma_chain); list_add(&dummy_anon_vma_chain_b.same_vma, &vma_b->anon_vma_chain); - vma_c = alloc_and_link_vma(&mm, 0xb000, 0xc000, 0xb, vm_flags); + vma_c = alloc_and_link_vma(&mm, 0xb000, 0xc000, 0xb, vma_flags); ASSERT_NE(vma_c, NULL); if (c_is_sticky) - vm_flags_set(vma_c, VM_STICKY); + vma_flags_set_mask(&vma_c->flags, VMA_STICKY_FLAGS); INIT_LIST_HEAD(&vma_c->anon_vma_chain); list_add(&dummy_anon_vma_chain_c.same_vma, &vma_c->anon_vma_chain); @@ -299,7 +304,7 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, * 0123456789abc * AA B ** CC */ - vma_d = try_merge_new_vma(&mm, &vmg, 0x7000, 0x9000, 7, vm_flags, &merged); + vma_d = try_merge_new_vma(&mm, &vmg, 0x7000, 0x9000, 7, vma_flags, &merged); ASSERT_NE(vma_d, NULL); INIT_LIST_HEAD(&vma_d->anon_vma_chain); list_add(&dummy_anon_vma_chain_d.same_vma, &vma_d->anon_vma_chain); @@ -314,7 +319,7 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, */ vma_a->vm_ops = &vm_ops; /* This should have no impact. */ vma_b->anon_vma = &dummy_anon_vma; - vma = try_merge_new_vma(&mm, &vmg, 0x2000, 0x3000, 2, vm_flags, &merged); + vma = try_merge_new_vma(&mm, &vmg, 0x2000, 0x3000, 2, vma_flags, &merged); ASSERT_EQ(vma, vma_a); /* Merge with A, delete B. */ ASSERT_TRUE(merged); @@ -325,7 +330,7 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, ASSERT_TRUE(vma_write_started(vma)); ASSERT_EQ(mm.map_count, 3); if (is_sticky || a_is_sticky || b_is_sticky) - ASSERT_TRUE(IS_SET(vma->vm_flags, VM_STICKY)); + ASSERT_TRUE(vma_flags_test_any_mask(&vma->flags, VMA_STICKY_FLAGS)); /* * Merge to PREVIOUS VMA. @@ -333,7 +338,7 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, * 0123456789abc * AAAA* DD CC */ - vma = try_merge_new_vma(&mm, &vmg, 0x4000, 0x5000, 4, vm_flags, &merged); + vma = try_merge_new_vma(&mm, &vmg, 0x4000, 0x5000, 4, vma_flags, &merged); ASSERT_EQ(vma, vma_a); /* Extend A. */ ASSERT_TRUE(merged); @@ -344,7 +349,7 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, ASSERT_TRUE(vma_write_started(vma)); ASSERT_EQ(mm.map_count, 3); if (is_sticky || a_is_sticky) - ASSERT_TRUE(IS_SET(vma->vm_flags, VM_STICKY)); + ASSERT_TRUE(vma_flags_test_any_mask(&vma->flags, VMA_STICKY_FLAGS)); /* * Merge to NEXT VMA. @@ -354,7 +359,7 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, */ vma_d->anon_vma = &dummy_anon_vma; vma_d->vm_ops = &vm_ops; /* This should have no impact. */ - vma = try_merge_new_vma(&mm, &vmg, 0x6000, 0x7000, 6, vm_flags, &merged); + vma = try_merge_new_vma(&mm, &vmg, 0x6000, 0x7000, 6, vma_flags, &merged); ASSERT_EQ(vma, vma_d); /* Prepend. */ ASSERT_TRUE(merged); @@ -365,7 +370,7 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, ASSERT_TRUE(vma_write_started(vma)); ASSERT_EQ(mm.map_count, 3); if (is_sticky) /* D uses is_sticky. */ - ASSERT_TRUE(IS_SET(vma->vm_flags, VM_STICKY)); + ASSERT_TRUE(vma_flags_test_any_mask(&vma->flags, VMA_STICKY_FLAGS)); /* * Merge BOTH sides. @@ -374,7 +379,7 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, * AAAAA*DDD CC */ vma_d->vm_ops = NULL; /* This would otherwise degrade the merge. */ - vma = try_merge_new_vma(&mm, &vmg, 0x5000, 0x6000, 5, vm_flags, &merged); + vma = try_merge_new_vma(&mm, &vmg, 0x5000, 0x6000, 5, vma_flags, &merged); ASSERT_EQ(vma, vma_a); /* Merge with A, delete D. */ ASSERT_TRUE(merged); @@ -385,7 +390,7 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, ASSERT_TRUE(vma_write_started(vma)); ASSERT_EQ(mm.map_count, 2); if (is_sticky || a_is_sticky) - ASSERT_TRUE(IS_SET(vma->vm_flags, VM_STICKY)); + ASSERT_TRUE(vma_flags_test_any_mask(&vma->flags, VMA_STICKY_FLAGS)); /* * Merge to NEXT VMA. @@ -394,7 +399,7 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, * AAAAAAAAA *CC */ vma_c->anon_vma = &dummy_anon_vma; - vma = try_merge_new_vma(&mm, &vmg, 0xa000, 0xb000, 0xa, vm_flags, &merged); + vma = try_merge_new_vma(&mm, &vmg, 0xa000, 0xb000, 0xa, vma_flags, &merged); ASSERT_EQ(vma, vma_c); /* Prepend C. */ ASSERT_TRUE(merged); @@ -405,7 +410,7 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, ASSERT_TRUE(vma_write_started(vma)); ASSERT_EQ(mm.map_count, 2); if (is_sticky || c_is_sticky) - ASSERT_TRUE(IS_SET(vma->vm_flags, VM_STICKY)); + ASSERT_TRUE(vma_flags_test_any_mask(&vma->flags, VMA_STICKY_FLAGS)); /* * Merge BOTH sides. @@ -413,7 +418,7 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, * 0123456789abc * AAAAAAAAA*CCC */ - vma = try_merge_new_vma(&mm, &vmg, 0x9000, 0xa000, 0x9, vm_flags, &merged); + vma = try_merge_new_vma(&mm, &vmg, 0x9000, 0xa000, 0x9, vma_flags, &merged); ASSERT_EQ(vma, vma_a); /* Extend A and delete C. */ ASSERT_TRUE(merged); @@ -424,7 +429,7 @@ static bool __test_merge_new(bool is_sticky, bool a_is_sticky, bool b_is_sticky, ASSERT_TRUE(vma_write_started(vma)); ASSERT_EQ(mm.map_count, 1); if (is_sticky || a_is_sticky || c_is_sticky) - ASSERT_TRUE(IS_SET(vma->vm_flags, VM_STICKY)); + ASSERT_TRUE(vma_flags_test_any_mask(&vma->flags, VMA_STICKY_FLAGS)); /* * Final state. @@ -469,29 +474,30 @@ static bool test_merge_new(void) static bool test_vma_merge_special_flags(void) { - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, + VMA_MAYREAD_BIT, VMA_MAYWRITE_BIT); struct mm_struct mm = {}; VMA_ITERATOR(vmi, &mm, 0); struct vma_merge_struct vmg = { .mm = &mm, .vmi = &vmi, }; - vm_flags_t special_flags[] = { VM_IO, VM_DONTEXPAND, VM_PFNMAP, VM_MIXEDMAP }; - vm_flags_t all_special_flags = 0; + vma_flag_t special_flags[] = { VMA_IO_BIT, VMA_DONTEXPAND_BIT, + VMA_PFNMAP_BIT, VMA_MIXEDMAP_BIT }; + vma_flags_t all_special_flags = EMPTY_VMA_FLAGS; int i; struct vm_area_struct *vma_left, *vma; /* Make sure there aren't new VM_SPECIAL flags. */ - for (i = 0; i < ARRAY_SIZE(special_flags); i++) { - all_special_flags |= special_flags[i]; - } - ASSERT_EQ(all_special_flags, VM_SPECIAL); + for (i = 0; i < ARRAY_SIZE(special_flags); i++) + vma_flags_set(&all_special_flags, special_flags[i]); + ASSERT_FLAGS_SAME_MASK(&all_special_flags, VMA_SPECIAL_FLAGS); /* * 01234 * AAA */ - vma_left = alloc_and_link_vma(&mm, 0, 0x3000, 0, vm_flags); + vma_left = alloc_and_link_vma(&mm, 0, 0x3000, 0, vma_flags); ASSERT_NE(vma_left, NULL); /* 1. Set up new VMA with special flag that would otherwise merge. */ @@ -502,12 +508,14 @@ static bool test_vma_merge_special_flags(void) * * This should merge if not for the VM_SPECIAL flag. */ - vmg_set_range(&vmg, 0x3000, 0x4000, 3, vm_flags); + vmg_set_range(&vmg, 0x3000, 0x4000, 3, vma_flags); for (i = 0; i < ARRAY_SIZE(special_flags); i++) { - vm_flags_t special_flag = special_flags[i]; + vma_flag_t special_flag = special_flags[i]; + vma_flags_t flags = vma_flags; - vm_flags_reset(vma_left, vm_flags | special_flag); - vmg.vm_flags = vm_flags | special_flag; + vma_flags_set(&flags, special_flag); + vma_left->flags = flags; + vmg.vma_flags = flags; vma = merge_new(&vmg); ASSERT_EQ(vma, NULL); ASSERT_EQ(vmg.state, VMA_MERGE_NOMERGE); @@ -521,15 +529,17 @@ static bool test_vma_merge_special_flags(void) * * Create a VMA to modify. */ - vma = alloc_and_link_vma(&mm, 0x3000, 0x4000, 3, vm_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x4000, 3, vma_flags); ASSERT_NE(vma, NULL); vmg.middle = vma; for (i = 0; i < ARRAY_SIZE(special_flags); i++) { - vm_flags_t special_flag = special_flags[i]; + vma_flag_t special_flag = special_flags[i]; + vma_flags_t flags = vma_flags; - vm_flags_reset(vma_left, vm_flags | special_flag); - vmg.vm_flags = vm_flags | special_flag; + vma_flags_set(&flags, special_flag); + vma_left->flags = flags; + vmg.vma_flags = flags; vma = merge_existing(&vmg); ASSERT_EQ(vma, NULL); ASSERT_EQ(vmg.state, VMA_MERGE_NOMERGE); @@ -541,7 +551,8 @@ static bool test_vma_merge_special_flags(void) static bool test_vma_merge_with_close(void) { - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, + VMA_MAYREAD_BIT, VMA_MAYWRITE_BIT); struct mm_struct mm = {}; VMA_ITERATOR(vmi, &mm, 0); struct vma_merge_struct vmg = { @@ -621,11 +632,11 @@ static bool test_vma_merge_with_close(void) * PPPPPPNNN */ - vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vm_flags); - vma_next = alloc_and_link_vma(&mm, 0x5000, 0x9000, 5, vm_flags); + vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vma_flags); + vma_next = alloc_and_link_vma(&mm, 0x5000, 0x9000, 5, vma_flags); vma_next->vm_ops = &vm_ops; - vmg_set_range(&vmg, 0x3000, 0x5000, 3, vm_flags); + vmg_set_range(&vmg, 0x3000, 0x5000, 3, vma_flags); ASSERT_EQ(merge_new(&vmg), vma_prev); ASSERT_EQ(vmg.state, VMA_MERGE_SUCCESS); ASSERT_EQ(vma_prev->vm_start, 0); @@ -646,11 +657,11 @@ static bool test_vma_merge_with_close(void) * proceed. */ - vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vm_flags); - vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vm_flags); + vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vma_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vma_flags); vma->vm_ops = &vm_ops; - vmg_set_range(&vmg, 0x3000, 0x5000, 3, vm_flags); + vmg_set_range(&vmg, 0x3000, 0x5000, 3, vma_flags); vmg.prev = vma_prev; vmg.middle = vma; @@ -674,11 +685,11 @@ static bool test_vma_merge_with_close(void) * proceed. */ - vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vm_flags); - vma_next = alloc_and_link_vma(&mm, 0x5000, 0x9000, 5, vm_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vma_flags); + vma_next = alloc_and_link_vma(&mm, 0x5000, 0x9000, 5, vma_flags); vma->vm_ops = &vm_ops; - vmg_set_range(&vmg, 0x3000, 0x5000, 3, vm_flags); + vmg_set_range(&vmg, 0x3000, 0x5000, 3, vma_flags); vmg.middle = vma; ASSERT_EQ(merge_existing(&vmg), NULL); /* @@ -702,12 +713,12 @@ static bool test_vma_merge_with_close(void) * PPPVVNNNN */ - vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vm_flags); - vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vm_flags); - vma_next = alloc_and_link_vma(&mm, 0x5000, 0x9000, 5, vm_flags); + vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vma_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vma_flags); + vma_next = alloc_and_link_vma(&mm, 0x5000, 0x9000, 5, vma_flags); vma->vm_ops = &vm_ops; - vmg_set_range(&vmg, 0x3000, 0x5000, 3, vm_flags); + vmg_set_range(&vmg, 0x3000, 0x5000, 3, vma_flags); vmg.prev = vma_prev; vmg.middle = vma; @@ -728,12 +739,12 @@ static bool test_vma_merge_with_close(void) * PPPPPNNNN */ - vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vm_flags); - vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vm_flags); - vma_next = alloc_and_link_vma(&mm, 0x5000, 0x9000, 5, vm_flags); + vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vma_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vma_flags); + vma_next = alloc_and_link_vma(&mm, 0x5000, 0x9000, 5, vma_flags); vma_next->vm_ops = &vm_ops; - vmg_set_range(&vmg, 0x3000, 0x5000, 3, vm_flags); + vmg_set_range(&vmg, 0x3000, 0x5000, 3, vma_flags); vmg.prev = vma_prev; vmg.middle = vma; @@ -750,15 +761,16 @@ static bool test_vma_merge_with_close(void) static bool test_vma_merge_new_with_close(void) { - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, + VMA_MAYREAD_BIT, VMA_MAYWRITE_BIT); struct mm_struct mm = {}; VMA_ITERATOR(vmi, &mm, 0); struct vma_merge_struct vmg = { .mm = &mm, .vmi = &vmi, }; - struct vm_area_struct *vma_prev = alloc_and_link_vma(&mm, 0, 0x2000, 0, vm_flags); - struct vm_area_struct *vma_next = alloc_and_link_vma(&mm, 0x5000, 0x7000, 5, vm_flags); + struct vm_area_struct *vma_prev = alloc_and_link_vma(&mm, 0, 0x2000, 0, vma_flags); + struct vm_area_struct *vma_next = alloc_and_link_vma(&mm, 0x5000, 0x7000, 5, vma_flags); const struct vm_operations_struct vm_ops = { .close = dummy_close, }; @@ -788,7 +800,7 @@ static bool test_vma_merge_new_with_close(void) vma_prev->vm_ops = &vm_ops; vma_next->vm_ops = &vm_ops; - vmg_set_range(&vmg, 0x2000, 0x5000, 2, vm_flags); + vmg_set_range(&vmg, 0x2000, 0x5000, 2, vma_flags); vma = merge_new(&vmg); ASSERT_NE(vma, NULL); ASSERT_EQ(vmg.state, VMA_MERGE_SUCCESS); @@ -805,9 +817,10 @@ static bool test_vma_merge_new_with_close(void) static bool __test_merge_existing(bool prev_is_sticky, bool middle_is_sticky, bool next_is_sticky) { - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; - vm_flags_t prev_flags = vm_flags; - vm_flags_t next_flags = vm_flags; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, + VMA_MAYREAD_BIT, VMA_MAYWRITE_BIT); + vma_flags_t prev_flags = vma_flags; + vma_flags_t next_flags = vma_flags; struct mm_struct mm = {}; VMA_ITERATOR(vmi, &mm, 0); struct vm_area_struct *vma, *vma_prev, *vma_next; @@ -821,11 +834,11 @@ static bool __test_merge_existing(bool prev_is_sticky, bool middle_is_sticky, bo struct anon_vma_chain avc = {}; if (prev_is_sticky) - prev_flags |= VM_STICKY; + vma_flags_set_mask(&prev_flags, VMA_STICKY_FLAGS); if (middle_is_sticky) - vm_flags |= VM_STICKY; + vma_flags_set_mask(&vma_flags, VMA_STICKY_FLAGS); if (next_is_sticky) - next_flags |= VM_STICKY; + vma_flags_set_mask(&next_flags, VMA_STICKY_FLAGS); /* * Merge right case - partial span. @@ -837,11 +850,11 @@ static bool __test_merge_existing(bool prev_is_sticky, bool middle_is_sticky, bo * 0123456789 * VNNNNNN */ - vma = alloc_and_link_vma(&mm, 0x2000, 0x6000, 2, vm_flags); + vma = alloc_and_link_vma(&mm, 0x2000, 0x6000, 2, vma_flags); vma->vm_ops = &vm_ops; /* This should have no impact. */ vma_next = alloc_and_link_vma(&mm, 0x6000, 0x9000, 6, next_flags); vma_next->vm_ops = &vm_ops; /* This should have no impact. */ - vmg_set_range_anon_vma(&vmg, 0x3000, 0x6000, 3, vm_flags, &dummy_anon_vma); + vmg_set_range_anon_vma(&vmg, 0x3000, 0x6000, 3, vma_flags, &dummy_anon_vma); vmg.middle = vma; vmg.prev = vma; vma_set_dummy_anon_vma(vma, &avc); @@ -858,7 +871,7 @@ static bool __test_merge_existing(bool prev_is_sticky, bool middle_is_sticky, bo ASSERT_TRUE(vma_write_started(vma_next)); ASSERT_EQ(mm.map_count, 2); if (middle_is_sticky || next_is_sticky) - ASSERT_TRUE(IS_SET(vma_next->vm_flags, VM_STICKY)); + ASSERT_TRUE(vma_flags_test_any_mask(&vma_next->flags, VMA_STICKY_FLAGS)); /* Clear down and reset. */ ASSERT_EQ(cleanup_mm(&mm, &vmi), 2); @@ -873,10 +886,10 @@ static bool __test_merge_existing(bool prev_is_sticky, bool middle_is_sticky, bo * 0123456789 * NNNNNNN */ - vma = alloc_and_link_vma(&mm, 0x2000, 0x6000, 2, vm_flags); + vma = alloc_and_link_vma(&mm, 0x2000, 0x6000, 2, vma_flags); vma_next = alloc_and_link_vma(&mm, 0x6000, 0x9000, 6, next_flags); vma_next->vm_ops = &vm_ops; /* This should have no impact. */ - vmg_set_range_anon_vma(&vmg, 0x2000, 0x6000, 2, vm_flags, &dummy_anon_vma); + vmg_set_range_anon_vma(&vmg, 0x2000, 0x6000, 2, vma_flags, &dummy_anon_vma); vmg.middle = vma; vma_set_dummy_anon_vma(vma, &avc); ASSERT_EQ(merge_existing(&vmg), vma_next); @@ -888,7 +901,7 @@ static bool __test_merge_existing(bool prev_is_sticky, bool middle_is_sticky, bo ASSERT_TRUE(vma_write_started(vma_next)); ASSERT_EQ(mm.map_count, 1); if (middle_is_sticky || next_is_sticky) - ASSERT_TRUE(IS_SET(vma_next->vm_flags, VM_STICKY)); + ASSERT_TRUE(vma_flags_test_any_mask(&vma_next->flags, VMA_STICKY_FLAGS)); /* Clear down and reset. We should have deleted vma. */ ASSERT_EQ(cleanup_mm(&mm, &vmi), 1); @@ -905,9 +918,9 @@ static bool __test_merge_existing(bool prev_is_sticky, bool middle_is_sticky, bo */ vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, prev_flags); vma_prev->vm_ops = &vm_ops; /* This should have no impact. */ - vma = alloc_and_link_vma(&mm, 0x3000, 0x7000, 3, vm_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x7000, 3, vma_flags); vma->vm_ops = &vm_ops; /* This should have no impact. */ - vmg_set_range_anon_vma(&vmg, 0x3000, 0x6000, 3, vm_flags, &dummy_anon_vma); + vmg_set_range_anon_vma(&vmg, 0x3000, 0x6000, 3, vma_flags, &dummy_anon_vma); vmg.prev = vma_prev; vmg.middle = vma; vma_set_dummy_anon_vma(vma, &avc); @@ -924,7 +937,7 @@ static bool __test_merge_existing(bool prev_is_sticky, bool middle_is_sticky, bo ASSERT_TRUE(vma_write_started(vma)); ASSERT_EQ(mm.map_count, 2); if (prev_is_sticky || middle_is_sticky) - ASSERT_TRUE(IS_SET(vma_prev->vm_flags, VM_STICKY)); + ASSERT_TRUE(vma_flags_test_any_mask(&vma_prev->flags, VMA_STICKY_FLAGS)); /* Clear down and reset. */ ASSERT_EQ(cleanup_mm(&mm, &vmi), 2); @@ -941,8 +954,8 @@ static bool __test_merge_existing(bool prev_is_sticky, bool middle_is_sticky, bo */ vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, prev_flags); vma_prev->vm_ops = &vm_ops; /* This should have no impact. */ - vma = alloc_and_link_vma(&mm, 0x3000, 0x7000, 3, vm_flags); - vmg_set_range_anon_vma(&vmg, 0x3000, 0x7000, 3, vm_flags, &dummy_anon_vma); + vma = alloc_and_link_vma(&mm, 0x3000, 0x7000, 3, vma_flags); + vmg_set_range_anon_vma(&vmg, 0x3000, 0x7000, 3, vma_flags, &dummy_anon_vma); vmg.prev = vma_prev; vmg.middle = vma; vma_set_dummy_anon_vma(vma, &avc); @@ -955,7 +968,7 @@ static bool __test_merge_existing(bool prev_is_sticky, bool middle_is_sticky, bo ASSERT_TRUE(vma_write_started(vma_prev)); ASSERT_EQ(mm.map_count, 1); if (prev_is_sticky || middle_is_sticky) - ASSERT_TRUE(IS_SET(vma_prev->vm_flags, VM_STICKY)); + ASSERT_TRUE(vma_flags_test_any_mask(&vma_prev->flags, VMA_STICKY_FLAGS)); /* Clear down and reset. We should have deleted vma. */ ASSERT_EQ(cleanup_mm(&mm, &vmi), 1); @@ -972,9 +985,9 @@ static bool __test_merge_existing(bool prev_is_sticky, bool middle_is_sticky, bo */ vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, prev_flags); vma_prev->vm_ops = &vm_ops; /* This should have no impact. */ - vma = alloc_and_link_vma(&mm, 0x3000, 0x7000, 3, vm_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x7000, 3, vma_flags); vma_next = alloc_and_link_vma(&mm, 0x7000, 0x9000, 7, next_flags); - vmg_set_range_anon_vma(&vmg, 0x3000, 0x7000, 3, vm_flags, &dummy_anon_vma); + vmg_set_range_anon_vma(&vmg, 0x3000, 0x7000, 3, vma_flags, &dummy_anon_vma); vmg.prev = vma_prev; vmg.middle = vma; vma_set_dummy_anon_vma(vma, &avc); @@ -987,7 +1000,7 @@ static bool __test_merge_existing(bool prev_is_sticky, bool middle_is_sticky, bo ASSERT_TRUE(vma_write_started(vma_prev)); ASSERT_EQ(mm.map_count, 1); if (prev_is_sticky || middle_is_sticky || next_is_sticky) - ASSERT_TRUE(IS_SET(vma_prev->vm_flags, VM_STICKY)); + ASSERT_TRUE(vma_flags_test_any_mask(&vma_prev->flags, VMA_STICKY_FLAGS)); /* Clear down and reset. We should have deleted prev and next. */ ASSERT_EQ(cleanup_mm(&mm, &vmi), 1); @@ -1008,40 +1021,40 @@ static bool __test_merge_existing(bool prev_is_sticky, bool middle_is_sticky, bo */ vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, prev_flags); - vma = alloc_and_link_vma(&mm, 0x3000, 0x8000, 3, vm_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x8000, 3, vma_flags); vma_next = alloc_and_link_vma(&mm, 0x8000, 0xa000, 8, next_flags); - vmg_set_range(&vmg, 0x4000, 0x5000, 4, vm_flags); + vmg_set_range(&vmg, 0x4000, 0x5000, 4, vma_flags); vmg.prev = vma; vmg.middle = vma; ASSERT_EQ(merge_existing(&vmg), NULL); ASSERT_EQ(vmg.state, VMA_MERGE_NOMERGE); - vmg_set_range(&vmg, 0x5000, 0x6000, 5, vm_flags); + vmg_set_range(&vmg, 0x5000, 0x6000, 5, vma_flags); vmg.prev = vma; vmg.middle = vma; ASSERT_EQ(merge_existing(&vmg), NULL); ASSERT_EQ(vmg.state, VMA_MERGE_NOMERGE); - vmg_set_range(&vmg, 0x6000, 0x7000, 6, vm_flags); + vmg_set_range(&vmg, 0x6000, 0x7000, 6, vma_flags); vmg.prev = vma; vmg.middle = vma; ASSERT_EQ(merge_existing(&vmg), NULL); ASSERT_EQ(vmg.state, VMA_MERGE_NOMERGE); - vmg_set_range(&vmg, 0x4000, 0x7000, 4, vm_flags); + vmg_set_range(&vmg, 0x4000, 0x7000, 4, vma_flags); vmg.prev = vma; vmg.middle = vma; ASSERT_EQ(merge_existing(&vmg), NULL); ASSERT_EQ(vmg.state, VMA_MERGE_NOMERGE); - vmg_set_range(&vmg, 0x4000, 0x6000, 4, vm_flags); + vmg_set_range(&vmg, 0x4000, 0x6000, 4, vma_flags); vmg.prev = vma; vmg.middle = vma; ASSERT_EQ(merge_existing(&vmg), NULL); ASSERT_EQ(vmg.state, VMA_MERGE_NOMERGE); - vmg_set_range(&vmg, 0x5000, 0x6000, 5, vm_flags); + vmg_set_range(&vmg, 0x5000, 0x6000, 5, vma_flags); vmg.prev = vma; vmg.middle = vma; ASSERT_EQ(merge_existing(&vmg), NULL); @@ -1067,7 +1080,8 @@ static bool test_merge_existing(void) static bool test_anon_vma_non_mergeable(void) { - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, + VMA_MAYREAD_BIT, VMA_MAYWRITE_BIT); struct mm_struct mm = {}; VMA_ITERATOR(vmi, &mm, 0); struct vm_area_struct *vma, *vma_prev, *vma_next; @@ -1091,9 +1105,9 @@ static bool test_anon_vma_non_mergeable(void) * 0123456789 * PPPPPPPNNN */ - vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vm_flags); - vma = alloc_and_link_vma(&mm, 0x3000, 0x7000, 3, vm_flags); - vma_next = alloc_and_link_vma(&mm, 0x7000, 0x9000, 7, vm_flags); + vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vma_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x7000, 3, vma_flags); + vma_next = alloc_and_link_vma(&mm, 0x7000, 0x9000, 7, vma_flags); /* * Give both prev and next single anon_vma_chain fields, so they will @@ -1101,7 +1115,7 @@ static bool test_anon_vma_non_mergeable(void) * * However, when prev is compared to next, the merge should fail. */ - vmg_set_range_anon_vma(&vmg, 0x3000, 0x7000, 3, vm_flags, NULL); + vmg_set_range_anon_vma(&vmg, 0x3000, 0x7000, 3, vma_flags, NULL); vmg.prev = vma_prev; vmg.middle = vma; vma_set_dummy_anon_vma(vma_prev, &dummy_anon_vma_chain_1); @@ -1129,10 +1143,10 @@ static bool test_anon_vma_non_mergeable(void) * 0123456789 * PPPPPPPNNN */ - vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vm_flags); - vma_next = alloc_and_link_vma(&mm, 0x7000, 0x9000, 7, vm_flags); + vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vma_flags); + vma_next = alloc_and_link_vma(&mm, 0x7000, 0x9000, 7, vma_flags); - vmg_set_range_anon_vma(&vmg, 0x3000, 0x7000, 3, vm_flags, NULL); + vmg_set_range_anon_vma(&vmg, 0x3000, 0x7000, 3, vma_flags, NULL); vmg.prev = vma_prev; vma_set_dummy_anon_vma(vma_prev, &dummy_anon_vma_chain_1); __vma_set_dummy_anon_vma(vma_next, &dummy_anon_vma_chain_2, &dummy_anon_vma_2); @@ -1154,7 +1168,8 @@ static bool test_anon_vma_non_mergeable(void) static bool test_dup_anon_vma(void) { - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, + VMA_MAYREAD_BIT, VMA_MAYWRITE_BIT); struct mm_struct mm = {}; VMA_ITERATOR(vmi, &mm, 0); struct vma_merge_struct vmg = { @@ -1175,11 +1190,11 @@ static bool test_dup_anon_vma(void) * This covers new VMA merging, as these operations amount to a VMA * expand. */ - vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vm_flags); - vma_next = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vm_flags); + vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vma_flags); + vma_next = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vma_flags); vma_next->anon_vma = &dummy_anon_vma; - vmg_set_range(&vmg, 0, 0x5000, 0, vm_flags); + vmg_set_range(&vmg, 0, 0x5000, 0, vma_flags); vmg.target = vma_prev; vmg.next = vma_next; @@ -1201,16 +1216,16 @@ static bool test_dup_anon_vma(void) * extend delete delete */ - vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vm_flags); - vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vm_flags); - vma_next = alloc_and_link_vma(&mm, 0x5000, 0x8000, 5, vm_flags); + vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vma_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vma_flags); + vma_next = alloc_and_link_vma(&mm, 0x5000, 0x8000, 5, vma_flags); /* Initialise avc so mergeability check passes. */ INIT_LIST_HEAD(&vma_next->anon_vma_chain); list_add(&dummy_anon_vma_chain.same_vma, &vma_next->anon_vma_chain); vma_next->anon_vma = &dummy_anon_vma; - vmg_set_range(&vmg, 0x3000, 0x5000, 3, vm_flags); + vmg_set_range(&vmg, 0x3000, 0x5000, 3, vma_flags); vmg.prev = vma_prev; vmg.middle = vma; @@ -1234,12 +1249,12 @@ static bool test_dup_anon_vma(void) * extend delete delete */ - vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vm_flags); - vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vm_flags); - vma_next = alloc_and_link_vma(&mm, 0x5000, 0x8000, 5, vm_flags); + vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vma_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vma_flags); + vma_next = alloc_and_link_vma(&mm, 0x5000, 0x8000, 5, vma_flags); vmg.anon_vma = &dummy_anon_vma; vma_set_dummy_anon_vma(vma, &dummy_anon_vma_chain); - vmg_set_range(&vmg, 0x3000, 0x5000, 3, vm_flags); + vmg_set_range(&vmg, 0x3000, 0x5000, 3, vma_flags); vmg.prev = vma_prev; vmg.middle = vma; @@ -1263,11 +1278,11 @@ static bool test_dup_anon_vma(void) * extend shrink/delete */ - vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vm_flags); - vma = alloc_and_link_vma(&mm, 0x3000, 0x8000, 3, vm_flags); + vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vma_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x8000, 3, vma_flags); vma_set_dummy_anon_vma(vma, &dummy_anon_vma_chain); - vmg_set_range(&vmg, 0x3000, 0x5000, 3, vm_flags); + vmg_set_range(&vmg, 0x3000, 0x5000, 3, vma_flags); vmg.prev = vma_prev; vmg.middle = vma; @@ -1291,11 +1306,11 @@ static bool test_dup_anon_vma(void) * shrink/delete extend */ - vma = alloc_and_link_vma(&mm, 0, 0x5000, 0, vm_flags); - vma_next = alloc_and_link_vma(&mm, 0x5000, 0x8000, 5, vm_flags); + vma = alloc_and_link_vma(&mm, 0, 0x5000, 0, vma_flags); + vma_next = alloc_and_link_vma(&mm, 0x5000, 0x8000, 5, vma_flags); vma_set_dummy_anon_vma(vma, &dummy_anon_vma_chain); - vmg_set_range(&vmg, 0x3000, 0x5000, 3, vm_flags); + vmg_set_range(&vmg, 0x3000, 0x5000, 3, vma_flags); vmg.prev = vma; vmg.middle = vma; @@ -1314,7 +1329,8 @@ static bool test_dup_anon_vma(void) static bool test_vmi_prealloc_fail(void) { - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, + VMA_MAYREAD_BIT, VMA_MAYWRITE_BIT); struct mm_struct mm = {}; VMA_ITERATOR(vmi, &mm, 0); struct vma_merge_struct vmg = { @@ -1330,11 +1346,11 @@ static bool test_vmi_prealloc_fail(void) * the duplicated anon_vma is unlinked. */ - vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vm_flags); - vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vm_flags); + vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vma_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vma_flags); vma->anon_vma = &dummy_anon_vma; - vmg_set_range_anon_vma(&vmg, 0x3000, 0x5000, 3, vm_flags, &dummy_anon_vma); + vmg_set_range_anon_vma(&vmg, 0x3000, 0x5000, 3, vma_flags, &dummy_anon_vma); vmg.prev = vma_prev; vmg.middle = vma; vma_set_dummy_anon_vma(vma, &avc); @@ -1358,11 +1374,11 @@ static bool test_vmi_prealloc_fail(void) * performed in this case too. */ - vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vm_flags); - vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vm_flags); + vma_prev = alloc_and_link_vma(&mm, 0, 0x3000, 0, vma_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vma_flags); vma->anon_vma = &dummy_anon_vma; - vmg_set_range(&vmg, 0, 0x5000, 3, vm_flags); + vmg_set_range(&vmg, 0, 0x5000, 3, vma_flags); vmg.target = vma_prev; vmg.next = vma; @@ -1380,13 +1396,14 @@ static bool test_vmi_prealloc_fail(void) static bool test_merge_extend(void) { - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, + VMA_MAYREAD_BIT, VMA_MAYWRITE_BIT); struct mm_struct mm = {}; VMA_ITERATOR(vmi, &mm, 0x1000); struct vm_area_struct *vma; - vma = alloc_and_link_vma(&mm, 0, 0x1000, 0, vm_flags); - alloc_and_link_vma(&mm, 0x3000, 0x4000, 3, vm_flags); + vma = alloc_and_link_vma(&mm, 0, 0x1000, 0, vma_flags); + alloc_and_link_vma(&mm, 0x3000, 0x4000, 3, vma_flags); /* * Extend a VMA into the gap between itself and the following VMA. @@ -1410,11 +1427,13 @@ static bool test_merge_extend(void) static bool test_expand_only_mode(void) { - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, + VMA_MAYREAD_BIT, VMA_MAYWRITE_BIT); + vm_flags_t legacy_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; struct mm_struct mm = {}; VMA_ITERATOR(vmi, &mm, 0); struct vm_area_struct *vma_prev, *vma; - VMG_STATE(vmg, &mm, &vmi, 0x5000, 0x9000, vm_flags, 5); + VMG_STATE(vmg, &mm, &vmi, 0x5000, 0x9000, legacy_flags, 5); /* * Place a VMA prior to the one we're expanding so we assert that we do @@ -1422,14 +1441,14 @@ static bool test_expand_only_mode(void) * have, through the use of the just_expand flag, indicated we do not * need to do so. */ - alloc_and_link_vma(&mm, 0, 0x2000, 0, vm_flags); + alloc_and_link_vma(&mm, 0, 0x2000, 0, vma_flags); /* * We will be positioned at the prev VMA, but looking to expand to * 0x9000. */ vma_iter_set(&vmi, 0x3000); - vma_prev = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vm_flags); + vma_prev = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vma_flags); vmg.prev = vma_prev; vmg.just_expand = true; diff --git a/tools/testing/vma/tests/vma.c b/tools/testing/vma/tests/vma.c index 4a7b11a8a285..b2f068c3d6d0 100644 --- a/tools/testing/vma/tests/vma.c +++ b/tools/testing/vma/tests/vma.c @@ -22,7 +22,8 @@ static bool compare_legacy_flags(vm_flags_t legacy_flags, vma_flags_t flags) static bool test_copy_vma(void) { - vm_flags_t vm_flags = VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE; + vma_flags_t vma_flags = mk_vma_flags(VMA_READ_BIT, VMA_WRITE_BIT, + VMA_MAYREAD_BIT, VMA_MAYWRITE_BIT); struct mm_struct mm = {}; bool need_locks = false; VMA_ITERATOR(vmi, &mm, 0); @@ -30,7 +31,7 @@ static bool test_copy_vma(void) /* Move backwards and do not merge. */ - vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vm_flags); + vma = alloc_and_link_vma(&mm, 0x3000, 0x5000, 3, vma_flags); vma_new = copy_vma(&vma, 0, 0x2000, 0, &need_locks); ASSERT_NE(vma_new, vma); ASSERT_EQ(vma_new->vm_start, 0); @@ -42,8 +43,8 @@ static bool test_copy_vma(void) /* Move a VMA into position next to another and merge the two. */ - vma = alloc_and_link_vma(&mm, 0, 0x2000, 0, vm_flags); - vma_next = alloc_and_link_vma(&mm, 0x6000, 0x8000, 6, vm_flags); + vma = alloc_and_link_vma(&mm, 0, 0x2000, 0, vma_flags); + vma_next = alloc_and_link_vma(&mm, 0x6000, 0x8000, 6, vma_flags); vma_new = copy_vma(&vma, 0x4000, 0x2000, 4, &need_locks); vma_assert_attached(vma_new); @@ -61,7 +62,6 @@ static bool test_vma_flags_unchanged(void) struct vm_area_struct vma; struct vm_area_desc desc; - vma.flags = EMPTY_VMA_FLAGS; desc.vma_flags = EMPTY_VMA_FLAGS; -- 2.53.0