diff options
| author | Deming Wang <wangdeming@inspur.com> | 2022-10-07 06:03:45 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-09 04:37:13 +0300 |
| commit | 97955f6941f0e7dea64dea22711382daf1db2f76 (patch) | |
| tree | 5b6dbcd5e9030c18779ffabd69bc0052de996968 /mm/mincore.c | |
| parent | 6fe7d712d798e9312e3dff69ec3f5f62f4d03a04 (diff) | |
| download | linux-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.c | 4 |
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)) { |