The check for mm being null has never been needed since the only caller
has always passed in current->mm. Remove the check from
count_mm_mlocked_page_nr().
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Suggested-by: Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx>
---
mm/mlock.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/mm/mlock.c b/mm/mlock.c
index 43d19a1f28eb..7032f6dd0ce1 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -531,14 +531,12 @@ static unsigned long count_mm_mlocked_page_nr(struct mm_struct *mm,
unsigned long end;
VMA_ITERATOR(vmi, mm, start);
- if (mm == NULL)
- mm = current->mm;
-
/* Don't overflow past ULONG_MAX */
if (unlikely(ULONG_MAX - len < start))
end = ULONG_MAX;
else
end = start + len;
+
for_each_vma_range(vmi, vma, end) {
if (vma->vm_flags & VM_LOCKED) {
if (start > vma->vm_start)
--
2.35.1
