/* frees all zswap entries for the given swap type */ static void zswap_frontswap_invalidate_area(unsigned type) { struct zswap_tree *tree = zswap_trees[type]; struct zswap_entry *entry, *n; if (!tree) return; /* walk the tree and free everything */ spin_lock(&tree->lock); rbtree_postorder_for_each_entry_safe(entry, n, &tree->rbroot, rbnode) zswap_free_entry(tree, entry); tree->rbroot = RB_ROOT; spin_unlock(&tree->lock); zbud_destroy_pool(tree->pool); kfree(tree); zswap_trees[type] = NULL; }
static void zbud_zpool_destroy(void *pool) { zbud_destroy_pool(pool); }