diff options
| -rw-r--r-- | mm/pagewalk.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/pagewalk.c b/mm/pagewalk.c index f7929406e776..2f5cf10ff660 100644 --- a/mm/pagewalk.c +++ b/mm/pagewalk.c @@ -176,7 +176,8 @@ static int walk_hugetlb_range(struct vm_area_struct *vma, * associated range, and a copy of the original mm_walk for access to * the ->private or ->mm fields. * - * No locks are taken, but the bottom level iterator will map PTE + * Usually no locks are taken, but splitting transparent huge page may + * take page table lock. And the bottom level iterator will map PTE * directories from highmem if necessary. * * If any callback returns a non-zero value, the walk is aborted and |
