diff options
| author | Johannes Weiner <hannes@cmpxchg.org> | 2021-04-30 08:56:17 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-30 21:20:37 +0300 |
| commit | a18e6e6e150a98b9ce3e9acabeff407e7b6ba0c0 (patch) | |
| tree | c44a22467af2cba49ba38665f382406faaa4486f /include | |
| parent | a3747b53b1771a787fea71d86a2fc39aea337685 (diff) | |
| download | linux-a18e6e6e150a98b9ce3e9acabeff407e7b6ba0c0.tar.xz | |
mm: memcontrol: privatize memcg_page_state query functions
There are no users outside of the memory controller itself. The rest
of the kernel cares either about node or lruvec stats.
Link: https://lkml.kernel.org/r/20210209163304.77088-4-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Michal Koutný <mkoutny@suse.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/memcontrol.h | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 149dc2fd97a6..9a02aabd0000 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -864,39 +864,6 @@ extern bool cgroup_memory_noswap; void lock_page_memcg(struct page *page); void unlock_page_memcg(struct page *page); -/* - * idx can be of type enum memcg_stat_item or node_stat_item. - * Keep in sync with memcg_exact_page_state(). - */ -static inline unsigned long memcg_page_state(struct mem_cgroup *memcg, int idx) -{ - long x = atomic_long_read(&memcg->vmstats[idx]); -#ifdef CONFIG_SMP - if (x < 0) - x = 0; -#endif - return x; -} - -/* - * idx can be of type enum memcg_stat_item or node_stat_item. - * Keep in sync with memcg_exact_page_state(). - */ -static inline unsigned long memcg_page_state_local(struct mem_cgroup *memcg, - int idx) -{ - long x = 0; - int cpu; - - for_each_possible_cpu(cpu) - x += per_cpu(memcg->vmstats_local->stat[idx], cpu); -#ifdef CONFIG_SMP - if (x < 0) - x = 0; -#endif - return x; -} - void __mod_memcg_state(struct mem_cgroup *memcg, int idx, int val); /* idx can be of type enum memcg_stat_item or node_stat_item */ @@ -1322,17 +1289,6 @@ static inline void mem_cgroup_print_oom_group(struct mem_cgroup *memcg) { } -static inline unsigned long memcg_page_state(struct mem_cgroup *memcg, int idx) -{ - return 0; -} - -static inline unsigned long memcg_page_state_local(struct mem_cgroup *memcg, - int idx) -{ - return 0; -} - static inline void __mod_memcg_state(struct mem_cgroup *memcg, int idx, int nr) |