diff options
| author | Pavel Emelianov <xemul@openvz.org> | 2008-02-07 00:13:51 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-07 08:42:18 -0800 |
| commit | 78fb74669e80883323391090e4d26d17fe29488f (patch) | |
| tree | 9154b703510415ae87bdae8750c1054e79710c61 /include/linux/memcontrol.h | |
| parent | 8cdea7c05454260c0d4d83503949c358eb131d17 (diff) | |
Memory controller: accounting setup
Basic setup routines, the mm_struct has a pointer to the cgroup that
it belongs to and the the page has a page_cgroup associated with it.
Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Paul Menage <menage@google.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Kirill Korotaev <dev@sw.ru>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/memcontrol.h')
| -rw-r--r-- | include/linux/memcontrol.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 3f121b27677..7d1f119c796 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -3,6 +3,9 @@ * Copyright IBM Corporation, 2007 * Author Balbir Singh <balbir@linux.vnet.ibm.com> * + * Copyright 2007 OpenVZ SWsoft Inc + * Author: Pavel Emelianov <xemul@openvz.org> + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -17,5 +20,38 @@ #ifndef _LINUX_MEMCONTROL_H #define _LINUX_MEMCONTROL_H +struct mem_cgroup; +struct page_cgroup; + +#ifdef CONFIG_CGROUP_MEM_CONT + +extern void mm_init_cgroup(struct mm_struct *mm, struct task_struct *p); +extern void mm_free_cgroup(struct mm_struct *mm); +extern void page_assign_page_cgroup(struct page *page, + struct page_cgroup *pc); +extern struct page_cgroup *page_get_page_cgroup(struct page *page); + +#else /* CONFIG_CGROUP_MEM_CONT */ +static inline void mm_init_cgroup(struct mm_struct *mm, + struct task_struct *p) +{ +} + +static inline void mm_free_cgroup(struct mm_struct *mm) +{ +} + +static inline void page_assign_page_cgroup(struct page *page, + struct page_cgroup *pc) +{ +} + +static inline struct page_cgroup *page_get_page_cgroup(struct page *page) +{ + return NULL; +} + +#endif /* CONFIG_CGROUP_MEM_CONT */ + #endif /* _LINUX_MEMCONTROL_H */ |