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[v2,1/3] mm, memcg: remove unused functions

Message ID 20210807082835.61281-2-linmiaohe@huawei.com (mailing list archive)
State New
Headers show
Series Cleanups and fixup for memcontrol | expand

Commit Message

Miaohe Lin Aug. 7, 2021, 8:28 a.m. UTC 
Since commit 2d146aa3aa84 ("mm: memcontrol: switch to rstat"), last user
of memcg_stat_item_in_bytes() is gone. And since commit fa40d1ee9f15 ("mm:
vmscan: memcontrol: remove mem_cgroup_select_victim_node()"), only the
declaration of mem_cgroup_select_victim_node() is remained here. Remove
them.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Acked-by: Roman Gushchin <guro@fb.com>
Acked-by: Michal Hocko <mhocko@suse.com>
---
 include/linux/memcontrol.h | 12 ------------
 1 file changed, 12 deletions(-)
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Patch

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 7028d8e4a3d7..04437504444f 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -606,13 +606,6 @@  static inline bool PageMemcgKmem(struct page *page)
 	return folio_memcg_kmem(page_folio(page));
 }
 
-static __always_inline bool memcg_stat_item_in_bytes(int idx)
-{
-	if (idx == MEMCG_PERCPU_B)
-		return true;
-	return vmstat_item_in_bytes(idx);
-}
-
 static inline bool mem_cgroup_is_root(struct mem_cgroup *memcg)
 {
 	return (memcg == root_mem_cgroup);
@@ -916,11 +909,6 @@  static inline bool mem_cgroup_online(struct mem_cgroup *memcg)
 	return !!(memcg->css.flags & CSS_ONLINE);
 }
 
-/*
- * For memory reclaim.
- */
-int mem_cgroup_select_victim_node(struct mem_cgroup *memcg);
-
 void mem_cgroup_update_lru_size(struct lruvec *lruvec, enum lru_list lru,
 		int zid, int nr_pages);