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authorDeming Wang <wangdeming@inspur.com>2022-10-07 06:03:45 +0300
committerAndrew Morton <akpm@linux-foundation.org>2022-11-09 04:37:13 +0300
commit97955f6941f0e7dea64dea22711382daf1db2f76 (patch)
tree5b6dbcd5e9030c18779ffabd69bc0052de996968 /mm/mincore.c
parent6fe7d712d798e9312e3dff69ec3f5f62f4d03a04 (diff)
downloadlinux-97955f6941f0e7dea64dea22711382daf1db2f76.tar.xz
mm/mincore.c: use vma_lookup() instead of find_vma()
Using vma_lookup() verifies the start address is contained in the found vma. This results in easier to read the code. Link: https://lkml.kernel.org/r/20221007030345.5029-1-wangdeming@inspur.com Signed-off-by: Deming Wang <wangdeming@inspur.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/mincore.c')
-rw-r--r--mm/mincore.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/mincore.c b/mm/mincore.c
index fa200c14185f..e7e046fe17d7 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -190,8 +190,8 @@ static long do_mincore(unsigned long addr, unsigned long pages, unsigned char *v
unsigned long end;
int err;
- vma = find_vma(current->mm, addr);
- if (!vma || addr < vma->vm_start)
+ vma = vma_lookup(current->mm, addr);
+ if (!vma)
return -ENOMEM;
end = min(vma->vm_end, addr + (pages << PAGE_SHIFT));
if (!can_do_mincore(vma)) {