diff options
Diffstat (limited to 'mm/zswap.c')
| -rw-r--r-- | mm/zswap.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/mm/zswap.c b/mm/zswap.c index 2c3d77c6fe72..5a40a7b4bae8 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -1518,9 +1518,6 @@ bool zswap_store(struct folio *folio) if (folio_test_large(folio)) return false; - if (!tree) - return false; - /* * If this is a duplicate, it must be removed before attempting to store * it, otherwise, if the store fails the old page won't be removed from @@ -1775,19 +1772,20 @@ void zswap_invalidate(int type, pgoff_t offset) spin_unlock(&tree->lock); } -void zswap_swapon(int type) +int zswap_swapon(int type) { struct zswap_tree *tree; tree = kzalloc(sizeof(*tree), GFP_KERNEL); if (!tree) { pr_err("alloc failed, zswap disabled for swap type %d\n", type); - return; + return -ENOMEM; } tree->rbroot = RB_ROOT; spin_lock_init(&tree->lock); zswap_trees[type] = tree; + return 0; } void zswap_swapoff(int type) |