[PATCH v2 1/4] mm: use mapping_mapped to simplify the code
Huang Shijie <[email protected]>
| Newsgroups | org.kernel.vger.linux-parisc,dev.linux.lists.nvdimm,org.kernel.vger.linux-doc,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-perf-users,org.kernel.vger.linux-trace-kernel,org.kvack.linux-mm |
|---|---|
| Message-ID | <[email protected]> |
Use mapping_mapped() to simplify the code, make the code tidy and clean. Signed-off-by: Huang Shijie <[email protected]> --- fs/hugetlbfs/inode.c | 4 ++-- mm/memory.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 78d61bf2bd9b..216e1a0dd0b2 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -614,7 +614,7 @@ static void hugetlb_vmtruncate(struct inode *inode, loff_t offset) i_size_write(inode, offset); i_mmap_lock_write(mapping); - if (!RB_EMPTY_ROOT(&mapping->i_mmap.rb_root)) + if (mapping_mapped(mapping)) hugetlb_vmdelete_list(&mapping->i_mmap, pgoff, 0, ZAP_FLAG_DROP_MARKER); i_mmap_unlock_write(mapping); @@ -675,7 +675,7 @@ static long hugetlbfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) /* Unmap users of full pages in the hole. */ if (hole_end > hole_start) { - if (!RB_EMPTY_ROOT(&mapping->i_mmap.rb_root)) + if (mapping_mapped(mapping)) hugetlb_vmdelete_list(&mapping->i_mmap, hole_start >> PAGE_SHIFT, hole_end >> PAGE_SHIFT, 0); diff --git a/mm/memory.c b/mm/memory.c index 86a973119bd4..5335077765e2 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -4386,7 +4386,7 @@ void unmap_mapping_folio(struct folio *folio) details.zap_flags = ZAP_FLAG_DROP_MARKER; i_mmap_lock_read(mapping); - if (unlikely(!RB_EMPTY_ROOT(&mapping->i_mmap.rb_root))) + if (unlikely(mapping_mapped(mapping))) unmap_mapping_range_tree(&mapping->i_mmap, first_index, last_index, &details); i_mmap_unlock_read(mapping); @@ -4416,7 +4416,7 @@ void unmap_mapping_pages(struct address_space *mapping, pgoff_t start, last_index = ULONG_MAX; i_mmap_lock_read(mapping); - if (unlikely(!RB_EMPTY_ROOT(&mapping->i_mmap.rb_root))) + if (unlikely(mapping_mapped(mapping))) unmap_mapping_range_tree(&mapping->i_mmap, first_index, last_index, &details); i_mmap_unlock_read(mapping); -- 2.53.0