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[09/15] mm: Remove unnecessary vma->vm_ops check

Message ID 1469189981-19000-10-git-send-email-jack@suse.cz (mailing list archive)
State New, archived
Headers show

Commit Message

Jan Kara July 22, 2016, 12:19 p.m. UTC 
We don't check whether vma->vm_ops is NULL in do_shared_fault() so
there's hardly any point in checking it in wp_page_shared() which gets
called only for shared file mappings as well.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 mm/memory.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/mm/memory.c b/mm/memory.c
index 6780e5d8145c..61902a5b75c2 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2304,7 +2304,7 @@  static int wp_page_shared(struct mm_struct *mm, struct vm_area_struct *vma,
 
 	get_page(old_page);
 
-	if (vma->vm_ops && vma->vm_ops->page_mkwrite) {
+	if (vma->vm_ops->page_mkwrite) {
 		int tmp;
 
 		pte_unmap_unlock(page_table, ptl);