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Memory controller: accounting setup

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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>
This commit is contained in:
Pavel Emelianov 2008-02-07 00:13:51 -08:00 • committed by Linus Torvalds
parent 8cdea7c054
commit 78fb74669e
5 changed files with 104 additions and 7 deletions
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36
include/linux/memcontrol.h
View file

@ -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 */