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, | |||
176 | * associated range, and a copy of the original mm_walk for access to | 176 | * associated range, and a copy of the original mm_walk for access to |
177 | * the ->private or ->mm fields. | 177 | * the ->private or ->mm fields. |
178 | * | 178 | * |
179 | * No locks are taken, but the bottom level iterator will map PTE | 179 | * Usually no locks are taken, but splitting transparent huge page may |
180 | * take page table lock. And the bottom level iterator will map PTE | ||
180 | * directories from highmem if necessary. | 181 | * directories from highmem if necessary. |
181 | * | 182 | * |
182 | * If any callback returns a non-zero value, the walk is aborted and | 183 | * If any callback returns a non-zero value, the walk is aborted and |