linux-kernel - [PATCH v3 1/3] mm: zswap: rename is_zswap_enabled() to zswap_is

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Date: Tue, 11 Jun 2024 02:45:14 +0000
From: Yosry Ahmed <yosryahmed@...gle.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Johannes Weiner <hannes@...xchg.org>, Nhat Pham <nphamcs@...il.com>, 
	Chengming Zhou <chengming.zhou@...ux.dev>, Barry Song <21cnbao@...il.com>, 
	Chris Li <chrisl@...nel.org>, David Hildenbrand <david@...hat.com>, 
	Matthew Wilcox <willy@...radead.org>, linux-mm@...ck.org, linux-kernel@...r.kernel.org, 
	Yosry Ahmed <yosryahmed@...gle.com>
Subject: [PATCH v3 1/3] mm: zswap: rename is_zswap_enabled() to zswap_is_enabled()

In preparation of introducing a similar function, rename
is_zswap_enabled() to use zswap_* prefix like other zswap functions.

Signed-off-by: Yosry Ahmed <yosryahmed@...gle.com>
---
 include/linux/zswap.h | 4 ++--
 mm/memcontrol.c       | 2 +-
 mm/zswap.c            | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/zswap.h b/include/linux/zswap.h
index 2a85b941db975..ce5e7bfe8f1ec 100644
--- a/include/linux/zswap.h
+++ b/include/linux/zswap.h
@@ -35,7 +35,7 @@ void zswap_swapoff(int type);
 void zswap_memcg_offline_cleanup(struct mem_cgroup *memcg);
 void zswap_lruvec_state_init(struct lruvec *lruvec);
 void zswap_folio_swapin(struct folio *folio);
-bool is_zswap_enabled(void);
+bool zswap_is_enabled(void);
 #else
 
 struct zswap_lruvec_state {};
@@ -60,7 +60,7 @@ static inline void zswap_memcg_offline_cleanup(struct mem_cgroup *memcg) {}
 static inline void zswap_lruvec_state_init(struct lruvec *lruvec) {}
 static inline void zswap_folio_swapin(struct folio *folio) {}
 
-static inline bool is_zswap_enabled(void)
+static inline bool zswap_is_enabled(void)
 {
 	return false;
 }
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 1303ed01bb5e5..a811dfff10cda 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -8469,7 +8469,7 @@ void obj_cgroup_uncharge_zswap(struct obj_cgroup *objcg, size_t size)
 bool mem_cgroup_zswap_writeback_enabled(struct mem_cgroup *memcg)
 {
 	/* if zswap is disabled, do not block pages going to the swapping device */
-	return !is_zswap_enabled() || !memcg || READ_ONCE(memcg->zswap_writeback);
+	return !zswap_is_enabled() || !memcg || READ_ONCE(memcg->zswap_writeback);
 }
 
 static u64 zswap_current_read(struct cgroup_subsys_state *css,
diff --git a/mm/zswap.c b/mm/zswap.c
index b9b35ef86d9be..a8c8dd8cfe6f5 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -131,7 +131,7 @@ static bool zswap_shrinker_enabled = IS_ENABLED(
 		CONFIG_ZSWAP_SHRINKER_DEFAULT_ON);
 module_param_named(shrinker_enabled, zswap_shrinker_enabled, bool, 0644);
 
-bool is_zswap_enabled(void)
+bool zswap_is_enabled(void)
 {
 	return zswap_enabled;
 }
-- 
2.45.2.505.gda0bf45e8d-goog