diff options
Diffstat (limited to 'mm/z3fold.c')
| -rw-r--r-- | mm/z3fold.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/z3fold.c b/mm/z3fold.c index 7c76b396b74c..7ab05621052d 100644 --- a/mm/z3fold.c +++ b/mm/z3fold.c @@ -364,8 +364,9 @@ static inline int __idx(struct z3fold_header *zhdr, enum buddy bud) } /* - * Encodes the handle of a particular buddy within a z3fold page - * Pool lock should be held as this function accesses first_num + * Encodes the handle of a particular buddy within a z3fold page. + * Zhdr->page_lock should be held as this function accesses first_num + * if bud != HEADLESS. */ static unsigned long __encode_handle(struct z3fold_header *zhdr, struct z3fold_buddy_slots *slots, |