linux-kernel - [PATCH -mm 1/3] page-cgroup: trivial cleanup

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Date:	Tue, 24 Jun 2014 20:33:04 +0400
From:	Vladimir Davydov <vdavydov@...allels.com>
To:	<akpm@...ux-foundation.org>
CC:	<hannes@...xchg.org>, <mhocko@...e.cz>,
	<linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>
Subject: [PATCH -mm 1/3] page-cgroup: trivial cleanup

Add forward declarations for struct pglist_data, mem_cgroup.

Remove __init, __meminit from function prototypes and inline functions.

Remove redundant inclusion of bit_spinlock.h.

Signed-off-by: Vladimir Davydov <vdavydov@...allels.com>
---
 include/linux/page_cgroup.h |   22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h
index 97b5c39a31c8..23863edb95ff 100644
--- a/include/linux/page_cgroup.h
+++ b/include/linux/page_cgroup.h
@@ -12,8 +12,10 @@ enum {
 #ifndef __GENERATING_BOUNDS_H
 #include <generated/bounds.h>
 
+struct pglist_data;
+
 #ifdef CONFIG_MEMCG
-#include <linux/bit_spinlock.h>
+struct mem_cgroup;
 
 /*
  * Page Cgroup can be considered as an extended mem_map.
@@ -27,16 +29,16 @@ struct page_cgroup {
 	struct mem_cgroup *mem_cgroup;
 };
 
-void __meminit pgdat_page_cgroup_init(struct pglist_data *pgdat);
+extern void pgdat_page_cgroup_init(struct pglist_data *pgdat);
 
 #ifdef CONFIG_SPARSEMEM
-static inline void __init page_cgroup_init_flatmem(void)
+static inline void page_cgroup_init_flatmem(void)
 {
 }
-extern void __init page_cgroup_init(void);
+extern void page_cgroup_init(void);
 #else
-void __init page_cgroup_init_flatmem(void);
-static inline void __init page_cgroup_init(void)
+extern void page_cgroup_init_flatmem(void);
+static inline void page_cgroup_init(void)
 {
 }
 #endif
@@ -48,11 +50,10 @@ static inline int PageCgroupUsed(struct page_cgroup *pc)
 {
 	return test_bit(PCG_USED, &pc->flags);
 }
-
-#else /* CONFIG_MEMCG */
+#else /* !CONFIG_MEMCG */
 struct page_cgroup;
 
-static inline void __meminit pgdat_page_cgroup_init(struct pglist_data *pgdat)
+static inline void pgdat_page_cgroup_init(struct pglist_data *pgdat)
 {
 }
 
@@ -65,10 +66,9 @@ static inline void page_cgroup_init(void)
 {
 }
 
-static inline void __init page_cgroup_init_flatmem(void)
+static inline void page_cgroup_init_flatmem(void)
 {
 }
-
 #endif /* CONFIG_MEMCG */
 
 #include <linux/swap.h>
-- 
1.7.10.4

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