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authorWei Yang <richardw.yang@linux.intel.com>2019-11-30 17:50:46 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-12-01 06:29:19 -0800
commit9d81fbe09a5669acf28fccd4f51f00b43534a0c9 (patch)
treed67de3fb9db70149db1e85d669925f0472c5e398 /mm/mmap.c
parent93b343ab2d2fc9a22767f6eeb95c78420bfedf4a (diff)
mm/mmap.c: __vma_unlink_prev() is not necessary now
The third parameter of __vma_unlink_common() could differentiate these two types. __vma_unlink_prev() is not necessary now. Link: http://lkml.kernel.org/r/20191006012636.31521-2-richardw.yang@linux.intel.com Signed-off-by: Wei Yang <richardw.yang@linux.intel.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Oscar Salvador <osalvador@suse.de> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mmap.c')
-rw-r--r--mm/mmap.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/mm/mmap.c b/mm/mmap.c
index 4473c5e2c57c..270abd223681 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -702,13 +702,6 @@ static __always_inline void __vma_unlink_common(struct mm_struct *mm,
vmacache_invalidate(mm);
}
-static inline void __vma_unlink_prev(struct mm_struct *mm,
- struct vm_area_struct *vma,
- struct vm_area_struct *prev)
-{
- __vma_unlink_common(mm, vma, vma);
-}
-
/*
* We cannot adjust vm_start, vm_end, vm_pgoff fields of a vma that
* is already present in an i_mmap tree without adjusting the tree.
@@ -881,7 +874,7 @@ again:
* us to remove next before dropping the locks.
*/
if (remove_next != 3)
- __vma_unlink_prev(mm, next, vma);
+ __vma_unlink_common(mm, next, next);
else
/*
* vma is not before next if they've been