diff options
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 953f0f984392..864e237f32d9 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -268,31 +268,6 @@ static inline bool mem_cgroup_is_root(struct mem_cgroup *memcg) return (memcg == root_mem_cgroup); } -/* - * We restrict the id in the range of [1, 65535], so it can fit into - * an unsigned short. - */ -#define MEM_CGROUP_ID_MAX USHRT_MAX - -static inline unsigned short mem_cgroup_id(struct mem_cgroup *memcg) -{ - return memcg->css.id; -} - -/* - * A helper function to get mem_cgroup from ID. must be called under - * rcu_read_lock(). The caller is responsible for calling - * css_tryget_online() if the mem_cgroup is used for charging. (dropping - * refcnt from swap can be called against removed memcg.) - */ -static inline struct mem_cgroup *mem_cgroup_from_id(unsigned short id) -{ - struct cgroup_subsys_state *css; - - css = css_from_id(id, &memory_cgrp_subsys); - return mem_cgroup_from_css(css); -} - #ifndef CONFIG_SLOB /* * This will be the memcg's index in each cache's ->memcg_params.memcg_caches. |