include/linux/memcontrol.h

   1 /* memcontrol.h - Memory Controller
   2  *
   3  * Copyright IBM Corporation, 2007
   4  * Author Balbir Singh <balbir@linux.vnet.ibm.com>
   5  *
   6  * Copyright 2007 OpenVZ SWsoft Inc
   7  * Author: Pavel Emelianov <xemul@openvz.org>
   8  *
   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.
  13  *
  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.
  18  */
  19
  20 #ifndef _LINUX_MEMCONTROL_H
  21 #define _LINUX_MEMCONTROL_H
  22
  23 <<<<<<< HEAD:include/linux/memcontrol.h
  24 #include <linux/rcupdate.h>
  25 #include <linux/mm.h>
  26
  27 =======
  28 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
  29 struct mem_cgroup;
  30 struct page_cgroup;
  31 struct page;
  32 struct mm_struct;
  33
  34 <<<<<<< HEAD:include/linux/memcontrol.h
  35 #ifdef CONFIG_CGROUP_MEM_CONT
  36 =======
  37 #ifdef CONFIG_CGROUP_MEM_RES_CTLR
  38 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
  39
  40 extern void mm_init_cgroup(struct mm_struct *mm, struct task_struct *p);
  41 extern void mm_free_cgroup(struct mm_struct *mm);
  42 <<<<<<< HEAD:include/linux/memcontrol.h
  43 extern void page_assign_page_cgroup(struct page *page,
  44                                         struct page_cgroup *pc);
  45 =======
  46
  47 #define page_reset_bad_cgroup(page)     ((page)->page_cgroup = 0)
  48
  49 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
  50 extern struct page_cgroup *page_get_page_cgroup(struct page *page);
  51 extern int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
  52                                 gfp_t gfp_mask);
  53 <<<<<<< HEAD:include/linux/memcontrol.h
  54 extern void mem_cgroup_uncharge(struct page_cgroup *pc);
  55 =======
  56 extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
  57                                         gfp_t gfp_mask);
  58 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
  59 extern void mem_cgroup_uncharge_page(struct page *page);
  60 <<<<<<< HEAD:include/linux/memcontrol.h
  61 extern void mem_cgroup_move_lists(struct page_cgroup *pc, bool active);
  62 =======
  63 extern void mem_cgroup_move_lists(struct page *page, bool active);
  64 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
  65 extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
  66                                         struct list_head *dst,
  67                                         unsigned long *scanned, int order,
  68                                         int mode, struct zone *z,
  69                                         struct mem_cgroup *mem_cont,
  70                                         int active);
  71 extern void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask);
  72 <<<<<<< HEAD:include/linux/memcontrol.h
  73 extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
  74                                         gfp_t gfp_mask);
  75 =======
  76 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
  77 int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem);
  78
  79 <<<<<<< HEAD:include/linux/memcontrol.h
  80 #define vm_match_cgroup(mm, cgroup)     \
  81 =======
  82 #define mm_match_cgroup(mm, cgroup)     \
  83 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
  84         ((cgroup) == rcu_dereference((mm)->mem_cgroup))
  85
  86 extern int mem_cgroup_prepare_migration(struct page *page);
  87 extern void mem_cgroup_end_migration(struct page *page);
  88 extern void mem_cgroup_page_migration(struct page *page, struct page *newpage);
  89
  90 /*
  91  * For memory reclaim.
  92  */
  93 extern int mem_cgroup_calc_mapped_ratio(struct mem_cgroup *mem);
  94 extern long mem_cgroup_reclaim_imbalance(struct mem_cgroup *mem);
  95
  96 extern int mem_cgroup_get_reclaim_priority(struct mem_cgroup *mem);
  97 extern void mem_cgroup_note_reclaim_priority(struct mem_cgroup *mem,
  98                                                         int priority);
  99 extern void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem,
 100                                                         int priority);
 101
 102 extern long mem_cgroup_calc_reclaim_active(struct mem_cgroup *mem,
 103                                 struct zone *zone, int priority);
 104 extern long mem_cgroup_calc_reclaim_inactive(struct mem_cgroup *mem,
 105                                 struct zone *zone, int priority);
 106
 107 <<<<<<< HEAD:include/linux/memcontrol.h
 108 #else /* CONFIG_CGROUP_MEM_CONT */
 109 =======
 110 #else /* CONFIG_CGROUP_MEM_RES_CTLR */
 111 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
 112 static inline void mm_init_cgroup(struct mm_struct *mm,
 113                                         struct task_struct *p)
 114 {
 115 }
 116
 117 static inline void mm_free_cgroup(struct mm_struct *mm)
 118 {
 119 }
 120
 121 <<<<<<< HEAD:include/linux/memcontrol.h
 122 static inline void page_assign_page_cgroup(struct page *page,
 123                                                 struct page_cgroup *pc)
 124 =======
 125 static inline void page_reset_bad_cgroup(struct page *page)
 126 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
 127 {
 128 }
 129
 130 static inline struct page_cgroup *page_get_page_cgroup(struct page *page)
 131 {
 132         return NULL;
 133 }
 134
 135 <<<<<<< HEAD:include/linux/memcontrol.h
 136 static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
 137                                         gfp_t gfp_mask)
 138 =======
 139 static inline int mem_cgroup_charge(struct page *page,
 140                                         struct mm_struct *mm, gfp_t gfp_mask)
 141 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
 142 {
 143         return 0;
 144 }
 145
 146 <<<<<<< HEAD:include/linux/memcontrol.h
 147 static inline void mem_cgroup_uncharge(struct page_cgroup *pc)
 148 =======
 149 static inline int mem_cgroup_cache_charge(struct page *page,
 150                                         struct mm_struct *mm, gfp_t gfp_mask)
 151 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
 152 {
 153 <<<<<<< HEAD:include/linux/memcontrol.h
 154 =======
 155         return 0;
 156 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
 157 }
 158
 159 static inline void mem_cgroup_uncharge_page(struct page *page)
 160 {
 161 }
 162
 163 <<<<<<< HEAD:include/linux/memcontrol.h
 164 static inline void mem_cgroup_move_lists(struct page_cgroup *pc,
 165                                                 bool active)
 166 =======
 167 static inline void mem_cgroup_move_lists(struct page *page, bool active)
 168 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
 169 {
 170 }
 171
 172 <<<<<<< HEAD:include/linux/memcontrol.h
 173 static inline int mem_cgroup_cache_charge(struct page *page,
 174                                                 struct mm_struct *mm,
 175                                                 gfp_t gfp_mask)
 176 {
 177         return 0;
 178 }
 179
 180 static inline int vm_match_cgroup(struct mm_struct *mm, struct mem_cgroup *mem)
 181 =======
 182 static inline int mm_match_cgroup(struct mm_struct *mm, struct mem_cgroup *mem)
 183 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/linux/memcontrol.h
 184 {
 185         return 1;
 186 }
 187
 188 static inline int task_in_mem_cgroup(struct task_struct *task,
 189                                      const struct mem_cgroup *mem)
 190 {
 191         return 1;
 192 }
 193
 194 static inline int mem_cgroup_prepare_migration(struct page *page)
 195 {
 196         return 0;
 197 }
 198
 199 static inline void mem_cgroup_end_migration(struct page *page)
 200 {
 201 }
 202
 203 static inline void
 204 mem_cgroup_page_migration(struct page *page, struct page *newpage)
 205 {
 206 }
 207
 208 static inline int mem_cgroup_calc_mapped_ratio(struct mem_cgroup *mem)
 209 {
 210         return 0;
 211 }
 212
 213 static inline int mem_cgroup_reclaim_imbalance(struct mem_cgroup *mem)
 214 {
 215         return 0;
 216 }
 217
 218 static inline int mem_cgroup_get_reclaim_priority(struct mem_cgroup *mem)
 219 {
 220         return 0;
 221 }
 222
 223 static inline void mem_cgroup_note_reclaim_priority(struct mem_cgroup *mem,
 224                                                 int priority)
 225 {
 226 }
 227
 228 static inline void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem,
 229                                                 int priority)
 230 {
 231 }
 232
 233 static inline long mem_cgroup_calc_reclaim_active(struct mem_cgroup *mem,
 234                                         struct zone *zone, int priority)
 235 {
 236         return 0;
 237 }
 238
 239 static inline long mem_cgroup_calc_reclaim_inactive(struct mem_cgroup *mem,
 240                                         struct zone *zone, int priority)
 241 {
 242         return 0;
 243 }
 244 #endif /* CONFIG_CGROUP_MEM_CONT */
 245
 246 #endif /* _LINUX_MEMCONTROL_H */
 247