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| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-03-22 22:42:30 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-22 23:57:05 +0100 |
| commit | 88a359125a2b8f2437f09ab3b1af4815c89690d4 (patch) | |
| tree | 218a2d20e8454ed6ebe2f9fdf5f6f532ac3d332f | |
| parent | mm/mmap: return 1 from stack_guard_gap __setup() handler (diff) | |
| download | linux-88a359125a2b8f2437f09ab3b1af4815c89690d4.tar.xz linux-88a359125a2b8f2437f09ab3b1af4815c89690d4.zip | |
mm/memory.c: use helper function range_in_vma()
Use helper function range_in_vma() to check if address, address + size are
within the vma range. Minor readability improvement.
Link: https://lkml.kernel.org/r/20220219021441.29173-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/memory.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c index 2dbb4ac35e93..3cbcf3a3e20a 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1715,7 +1715,7 @@ static void zap_page_range_single(struct vm_area_struct *vma, unsigned long addr void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, unsigned long size) { - if (address < vma->vm_start || address + size > vma->vm_end || + if (!range_in_vma(vma, address, address + size) || !(vma->vm_flags & VM_PFNMAP)) return; |