[PATCH 09/15] mm: Remove unnecessary vma->vm_ops check
From: Jan Kara <jack@suse.cz>
Date: 2016-07-22 12:19:35
Also in:
linux-fsdevel, nvdimm
Subsystem:
memory management, memory management - core, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
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(-)
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);
--
2.6.6
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>