cgroup_memory_noswap is only used in mm/memcontrol.c, therefore just make it static, and remove export in include/linux/memcontrol.h Signed-off-by: Lu Jialin <lujialin4@xxxxxxxxxx> --- include/linux/memcontrol.h | 4 ---- mm/memcontrol.c | 2 +- 2 files changed, 1 insertion(+), 5 deletions(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index a68dce3873fc..2406cc5153d4 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -937,10 +937,6 @@ struct mem_cgroup *mem_cgroup_get_oom_group(struct task_struct *victim, struct mem_cgroup *oom_domain); void mem_cgroup_print_oom_group(struct mem_cgroup *memcg); -#ifdef CONFIG_MEMCG_SWAP -extern bool cgroup_memory_noswap; -#endif - void folio_memcg_lock(struct folio *folio); void folio_memcg_unlock(struct folio *folio); void lock_page_memcg(struct page *page); diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 725f76723220..2fc363ee258c 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -89,7 +89,7 @@ static bool cgroup_memory_nokmem __ro_after_init; /* Whether the swap controller is active */ #ifdef CONFIG_MEMCG_SWAP -bool cgroup_memory_noswap __ro_after_init; +static bool cgroup_memory_noswap __ro_after_init; #else #define cgroup_memory_noswap 1 #endif -- 2.17.1