1 /* memcontrol.h - Memory Controller
3 * Copyright IBM Corporation, 2007
4 * Author Balbir Singh <balbir@linux.vnet.ibm.com>
6 * Copyright 2007 OpenVZ SWsoft Inc
7 * Author: Pavel Emelianov <xemul@openvz.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
20 #ifndef _LINUX_MEMCONTROL_H
21 #define _LINUX_MEMCONTROL_H
26 #ifdef CONFIG_CGROUP_MEM_CONT
28 extern void mm_init_cgroup(struct mm_struct *mm, struct task_struct *p);
29 extern void mm_free_cgroup(struct mm_struct *mm);
30 extern void page_assign_page_cgroup(struct page *page,
31 struct page_cgroup *pc);
32 extern struct page_cgroup *page_get_page_cgroup(struct page *page);
33 extern int mem_cgroup_charge(struct page *page, struct mm_struct *mm);
34 extern void mem_cgroup_uncharge(struct page_cgroup *pc);
35 extern void mem_cgroup_move_lists(struct page_cgroup *pc, bool active);
36 extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
37 struct list_head *dst,
38 unsigned long *scanned, int order,
39 int mode, struct zone *z,
40 struct mem_cgroup *mem_cont,
42 extern void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask);
44 static inline void mem_cgroup_uncharge_page(struct page *page)
46 mem_cgroup_uncharge(page_get_page_cgroup(page));
49 #else /* CONFIG_CGROUP_MEM_CONT */
50 static inline void mm_init_cgroup(struct mm_struct *mm,
51 struct task_struct *p)
55 static inline void mm_free_cgroup(struct mm_struct *mm)
59 static inline void page_assign_page_cgroup(struct page *page,
60 struct page_cgroup *pc)
64 static inline struct page_cgroup *page_get_page_cgroup(struct page *page)
69 static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm)
74 static inline void mem_cgroup_uncharge(struct page_cgroup *pc)
78 static inline void mem_cgroup_uncharge_page(struct page *page)
82 static inline void mem_cgroup_move_lists(struct page_cgroup *pc,
87 #endif /* CONFIG_CGROUP_MEM_CONT */
89 #endif /* _LINUX_MEMCONTROL_H */