[PATCH 1/2] mm/mlock: not handle NULL vma specially

[Wei Yang <richard.weiyang@gmail.com>]

If we can't find a proper vma, the loop would terminate as expected.

It's not necessary to handle it specially.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
---
 mm/mlock.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/mm/mlock.c b/mm/mlock.c
index efd2dd2943de..0b7cf7d60922 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -504,11 +504,7 @@ static unsigned long count_mm_mlocked_page_nr(struct mm_struct *mm,
 	if (mm == NULL)
 		mm = current->mm;
 
-	vma = find_vma(mm, start);
-	if (vma == NULL)
-		return 0;
-
-	for (; vma ; vma = vma->vm_next) {
+	for (vma = find_vma(mm, start); vma ; vma = vma->vm_next) {
 		if (start >= vma->vm_end)
 			continue;
 		if (start + len <=  vma->vm_start)
-- 
2.33.1