[PATCH 16/20] mm: zswap: function ordering: move entry section out of tree section

From: Johannes Weiner
Date: Mon Jan 29 2024 - 20:45:59 EST


The higher-level entry operations modify the tree, so move the entry
API after the tree section.

Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
---
mm/zswap.c | 42 +++++++++++++++++++++---------------------
1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/mm/zswap.c b/mm/zswap.c
index 756d4d575efe..80adc2f7d1a2 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -848,27 +848,6 @@ void zswap_memcg_offline_cleanup(struct mem_cgroup *memcg)
spin_unlock(&zswap_pools_lock);
}

-/*********************************
-* zswap entry functions
-**********************************/
-static struct kmem_cache *zswap_entry_cache;
-
-static struct zswap_entry *zswap_entry_cache_alloc(gfp_t gfp, int nid)
-{
- struct zswap_entry *entry;
- entry = kmem_cache_alloc_node(zswap_entry_cache, gfp, nid);
- if (!entry)
- return NULL;
- entry->refcount = 1;
- RB_CLEAR_NODE(&entry->rbnode);
- return entry;
-}
-
-static void zswap_entry_cache_free(struct zswap_entry *entry)
-{
- kmem_cache_free(zswap_entry_cache, entry);
-}
-
/*********************************
* rbtree functions
**********************************/
@@ -930,6 +909,27 @@ static bool zswap_rb_erase(struct rb_root *root, struct zswap_entry *entry)
return false;
}

+/*********************************
+* zswap entry functions
+**********************************/
+static struct kmem_cache *zswap_entry_cache;
+
+static struct zswap_entry *zswap_entry_cache_alloc(gfp_t gfp, int nid)
+{
+ struct zswap_entry *entry;
+ entry = kmem_cache_alloc_node(zswap_entry_cache, gfp, nid);
+ if (!entry)
+ return NULL;
+ entry->refcount = 1;
+ RB_CLEAR_NODE(&entry->rbnode);
+ return entry;
+}
+
+static void zswap_entry_cache_free(struct zswap_entry *entry)
+{
+ kmem_cache_free(zswap_entry_cache, entry);
+}
+
static struct zpool *zswap_find_zpool(struct zswap_entry *entry)
{
int i = 0;
--
2.43.0