| Message ID | 20221007030345.5029-1-wangdeming@inspur.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | mm: use vma_lookup() instead of find_vma() | expand |
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)) {
Using vma_lookup() verifies the start address is contained in the found vma. This results in easier to read the code. Signed-off-by: Deming Wang <wangdeming@inspur.com> --- mm/mincore.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)