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mm: zswap: rename is_zswap_enabled() to zswap_is_enabled()

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

Link: https://lkml.kernel.org/r/20240611024516.1375191-1-yosryahmed@google.com
Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
Reviewed-by: Barry Song <baohua@kernel.org>
Reviewed-by: Nhat Pham <nphamcs@gmail.com>
Cc: Chengming Zhou <chengming.zhou@linux.dev>
Cc: Chris Li <chrisl@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Yosry Ahmed 2024-06-11 02:45:14 +00:00 committed by Andrew Morton
parent 4f66da89d3
commit 2b33a97c94
3 changed files with 4 additions and 4 deletions
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4
include/linux/zswap.h
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@ -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;
}

2
mm/memcontrol.c
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@ -8434,7 +8434,7 @@ 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,

2
mm/zswap.c
View File

@ -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;
}