linux-kernel - [PATCH 3/5] memcg: get rid of extern for functions in memcontrol.h

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Date:	Wed, 15 Jul 2015 13:14:43 +0200
From:	Michal Hocko <mhocko@...nel.org>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>
Cc:	Vladimir Davydov <vdavydov@...allels.com>,
	Tejun Heo <tj@...nel.org>, <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Michal Hocko <mhocko@...e.cz>
Subject: [PATCH 3/5] memcg: get rid of extern for functions in memcontrol.h

From: Michal Hocko <mhocko@...e.cz>

Most of the exported functions in this header are not marked extern so
change the rest to follow the same style.

Reviewed-by: Vladimir Davydov <vdavydov@...allels.com>
Signed-off-by: Michal Hocko <mhocko@...e.cz>
---
 include/linux/memcontrol.h | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 292e6701f3fd..ce85bdb556f5 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -305,10 +305,10 @@ struct lruvec *mem_cgroup_page_lruvec(struct page *, struct zone *);
 
 bool task_in_mem_cgroup(struct task_struct *task, struct mem_cgroup *memcg);
 
-extern struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page);
-extern struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p);
+struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page);
+struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p);
 
-extern struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg);
+struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg);
 static inline
 struct mem_cgroup *mem_cgroup_from_css(struct cgroup_subsys_state *css){
 	return css ? container_of(css, struct mem_cgroup, css) : NULL;
@@ -343,7 +343,7 @@ static inline bool mm_match_cgroup(struct mm_struct *mm,
 	return match;
 }
 
-extern struct cgroup_subsys_state *mem_cgroup_css_from_page(struct page *page);
+struct cgroup_subsys_state *mem_cgroup_css_from_page(struct page *page);
 
 static inline bool mem_cgroup_disabled(void)
 {
@@ -402,8 +402,8 @@ static inline int mem_cgroup_inactive_anon_is_low(struct lruvec *lruvec)
 	return inactive * inactive_ratio < active;
 }
 
-extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
-					struct task_struct *p);
+void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
+				struct task_struct *p);
 
 static inline void mem_cgroup_oom_enable(void)
 {
@@ -718,8 +718,8 @@ static inline void sock_release_memcg(struct sock *sk)
 extern struct static_key memcg_kmem_enabled_key;
 
 extern int memcg_nr_cache_ids;
-extern void memcg_get_cache_ids(void);
-extern void memcg_put_cache_ids(void);
+void memcg_get_cache_ids(void);
+void memcg_put_cache_ids(void);
 
 /*
  * Helper macro to loop through all memcg-specific caches. Callers must still
-- 
2.1.4

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