[PATCH RFC v2 05/20] MIPS: mm: define pud_leaf() only when PUD exists
Yeoreum Yun <[email protected]> Wed, 22 Jul 2026 16:30:13 +0100
| Newsgroups | org.kernel.vger.linux-openrisc,dev.linux.lists.loongarch,org.infradead.lists.kvm-riscv,org.infradead.lists.linux-riscv,org.kernel.vger.kvm,org.kernel.vger.linux-arch,org.kernel.vger.linux-kernel,org.kernel.vger.linux-mips,org.kvack.linux-mm |
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| Message-ID | <[email protected]> |
From: "David Hildenbrand (Arm)" <[email protected]> In include/asm-generic/pgtable-nopmd.h, we do have a hard-coded pud_leaf()=false inline function, but we miss the "define pud_leaf pud_leaf" part. To prepare for fixing that, define pud_leaf() only if we don't have __PAGETABLE_PMD_FOLDED. Signed-off-by: David Hildenbrand (Arm) <[email protected]> --- arch/mips/include/asm/pgtable.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index fa7b935f947c..151f4d15bd12 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -745,8 +745,10 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, #ifdef _PAGE_HUGE #define pmd_leaf(pmd) ((pmd_val(pmd) & _PAGE_HUGE) != 0) +#ifndef __PAGETABLE_PMD_FOLDED #define pud_leaf(pud) ((pud_val(pud) & _PAGE_HUGE) != 0) #endif +#endif #define gup_fast_permitted(start, end) (!cpu_has_dc_aliases) -- 2.43.0