diff mbox series

[078/227] mm/memory.c: use helper function range_in_vma()

Message ID 20220322214230.CB061C340EC@smtp.kernel.org (mailing list archive)
State New
Headers show
Series [001/227] linux/kthread.h: remove unused macros | expand

Commit Message

Andrew Morton March 22, 2022, 9:42 p.m. UTC 
From: Miaohe Lin <linmiaohe@huawei.com>
Subject: 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>
---

 mm/memory.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

--- a/mm/memory.c~mm-use-helper-function-range_in_vma
+++ a/mm/memory.c
@@ -1715,7 +1715,7 @@  static void zap_page_range_single(struct
 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;