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authorPavel Emelianov <xemul@openvz.org>2008-02-07 00:13:51 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-07 08:42:18 -0800
commit78fb74669e80883323391090e4d26d17fe29488f (patch)
tree9154b703510415ae87bdae8750c1054e79710c61 /include
parent8cdea7c05454260c0d4d83503949c358eb131d17 (diff)
downloadop-kernel-dev-78fb74669e80883323391090e4d26d17fe29488f.zip
op-kernel-dev-78fb74669e80883323391090e4d26d17fe29488f.tar.gz
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')
-rw-r--r--include/linux/memcontrol.h36
-rw-r--r--include/linux/mm_types.h6
-rw-r--r--include/linux/sched.h1
3 files changed, 43 insertions, 0 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 3f121b2..7d1f119 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 */
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index f4c03e0..34023c6 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -88,6 +88,9 @@ struct page {
void *virtual; /* Kernel virtual address (NULL if
not kmapped, ie. highmem) */
#endif /* WANT_PAGE_VIRTUAL */
+#ifdef CONFIG_CGROUP_MEM_CONT
+ unsigned long page_cgroup;
+#endif
};
/*
@@ -219,6 +222,9 @@ struct mm_struct {
/* aio bits */
rwlock_t ioctx_list_lock;
struct kioctx *ioctx_list;
+#ifdef CONFIG_CGROUP_MEM_CONT
+ struct mem_cgroup *mem_cgroup;
+#endif
};
#endif /* _LINUX_MM_TYPES_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7c8ca05..8a4812c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -92,6 +92,7 @@ struct sched_param {
#include <asm/processor.h>
+struct mem_cgroup;
struct exec_domain;
struct futex_pi_state;
struct robust_list_head;
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