diff options
Diffstat (limited to 'mm/z3fold.c')
| -rw-r--r-- | mm/z3fold.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/mm/z3fold.c b/mm/z3fold.c index 4a3cd2ff15b0..a7769befd74e 100644 --- a/mm/z3fold.c +++ b/mm/z3fold.c @@ -519,13 +519,6 @@ static void __release_z3fold_page(struct z3fold_header *zhdr, bool locked) atomic64_dec(&pool->pages_nr); } -static void release_z3fold_page(struct kref *ref) -{ - struct z3fold_header *zhdr = container_of(ref, struct z3fold_header, - refcount); - __release_z3fold_page(zhdr, false); -} - static void release_z3fold_page_locked(struct kref *ref) { struct z3fold_header *zhdr = container_of(ref, struct z3fold_header, @@ -1317,12 +1310,7 @@ static int z3fold_reclaim_page(struct z3fold_pool *pool, unsigned int retries) break; } - if (kref_get_unless_zero(&zhdr->refcount) == 0) { - zhdr = NULL; - break; - } if (!z3fold_page_trylock(zhdr)) { - kref_put(&zhdr->refcount, release_z3fold_page); zhdr = NULL; continue; /* can't evict at this point */ } @@ -1333,14 +1321,14 @@ static int z3fold_reclaim_page(struct z3fold_pool *pool, unsigned int retries) */ if (zhdr->foreign_handles || test_and_set_bit(PAGE_CLAIMED, &page->private)) { - if (!kref_put(&zhdr->refcount, - release_z3fold_page_locked)) - z3fold_page_unlock(zhdr); + z3fold_page_unlock(zhdr); zhdr = NULL; continue; /* can't evict such page */ } list_del_init(&zhdr->buddy); zhdr->cpu = -1; + /* See comment in __z3fold_alloc. */ + kref_get(&zhdr->refcount); break; } |