From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
The check to see if a vma is locked is using the operator && and
should be using the bitwise operator & to see if the VM_LOCKED bit
is set. Fix this to use & instead.
Fixes: ae38c3be005ee ("mm: mlock: check against vma for actual mlock() size")
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
mm/mlock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/mlock.c b/mm/mlock.c
index fafbb78..f5b1d07 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -643,7 +643,7 @@ static int count_mm_mlocked_page_nr(struct mm_struct *mm,
for (; vma ; vma = vma->vm_next) {
if (start + len <= vma->vm_start)
break;
- if (vma->vm_flags && VM_LOCKED) {
+ if (vma->vm_flags & VM_LOCKED) {
if (start > vma->vm_start)
count -= (start - vma->vm_start);
if (start + len < vma->vm_end) {
--
2.9.3
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