memcg: remove redundant returns

Remove redundant returns from ends of functions, and one blank line.

Signed-off-by: Hugh Dickins <hughd@google.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Michal Hocko <mhocko@suse.cz>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 4 deletions

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7572a5089d63..43a9ade724c7 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1391,7 +1391,6 @@ void mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p)
         if (!memcg || !p)
                 return;
 
-
         rcu_read_lock();
 
         mem_cgrp = memcg->css.cgroup;
@@ -1926,7 +1925,6 @@ out:
         if (unlikely(need_unlock))
                 move_unlock_page_cgroup(pc, &flags);
         rcu_read_unlock();
-        return;
 }
 EXPORT_SYMBOL(mem_cgroup_update_page_stat);
 
@@ -2912,7 +2910,6 @@ direct_uncharge:
                 res_counter_uncharge(&memcg->memsw, nr_pages * PAGE_SIZE);
         if (unlikely(batch->memcg != memcg))
                 memcg_oom_recover(memcg);
-        return;
 }
 
 /*
@@ -3937,7 +3934,6 @@ static void memcg_get_hierarchical_limit(struct mem_cgroup *memcg,
 out:
         *mem_limit = min_limit;
         *memsw_limit = min_memsw_limit;
-        return;
 }
 
 static int mem_cgroup_reset(struct cgroup *cont, unsigned int event)