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>

diff --git a/mm/memory.c b/mm/memory.c
index 2dbb4ac..3cbcf3a 100644 (file)
--- 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;