Messages in this thread Patch in this message | | | From | Colin King <> | Subject | [PATCH] mm: mlock: check if vma is locked using & instead of && operator | Date | Fri, 9 Sep 2016 11:46:37 +0100 |
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From: Colin Ian King <colin.king@canonical.com>
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@canonical.com> --- 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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