summaryrefslogtreecommitdiffstats
path: root/include/linux/memcontrol.h
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2012-04-08 21:48:52 +0200
committerJiri Kosina <jkosina@suse.cz>2012-04-08 21:48:52 +0200
commite75d660672ddd11704b7f0fdb8ff21968587b266 (patch)
treeccb9c107744c10b553c0373e450bee3971d16c00 /include/linux/memcontrol.h
parent61282f37927143e45b03153f3e7b48d6b702147a (diff)
parent0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff)
Merge branch 'master' into for-next
Merge with latest Linus' tree, as I have incoming patches that fix code that is newer than current HEAD of for-next. Conflicts: drivers/net/ethernet/realtek/r8169.c
Diffstat (limited to 'include/linux/memcontrol.h')
-rw-r--r--include/linux/memcontrol.h63
1 files changed, 41 insertions, 22 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 4d34356fe64..f94efd2f6c2 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -77,7 +77,8 @@ extern void mem_cgroup_uncharge_end(void);
extern void mem_cgroup_uncharge_page(struct page *page);
extern void mem_cgroup_uncharge_cache_page(struct page *page);
-extern void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask);
+extern void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
+ int order);
int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *memcg);
extern struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page);
@@ -129,7 +130,6 @@ extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
extern void mem_cgroup_replace_page_cache(struct page *oldpage,
struct page *newpage);
-extern void mem_cgroup_reset_owner(struct page *page);
#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
extern int do_swap_account;
#endif
@@ -141,6 +141,34 @@ static inline bool mem_cgroup_disabled(void)
return false;
}
+void __mem_cgroup_begin_update_page_stat(struct page *page, bool *locked,
+ unsigned long *flags);
+
+extern atomic_t memcg_moving;
+
+static inline void mem_cgroup_begin_update_page_stat(struct page *page,
+ bool *locked, unsigned long *flags)
+{
+ if (mem_cgroup_disabled())
+ return;
+ rcu_read_lock();
+ *locked = false;
+ if (atomic_read(&memcg_moving))
+ __mem_cgroup_begin_update_page_stat(page, locked, flags);
+}
+
+void __mem_cgroup_end_update_page_stat(struct page *page,
+ unsigned long *flags);
+static inline void mem_cgroup_end_update_page_stat(struct page *page,
+ bool *locked, unsigned long *flags)
+{
+ if (mem_cgroup_disabled())
+ return;
+ if (*locked)
+ __mem_cgroup_end_update_page_stat(page, flags);
+ rcu_read_unlock();
+}
+
void mem_cgroup_update_page_stat(struct page *page,
enum mem_cgroup_page_stat_item idx,
int val);
@@ -299,21 +327,6 @@ static inline void mem_cgroup_iter_break(struct mem_cgroup *root,
{
}
-static inline int mem_cgroup_get_reclaim_priority(struct mem_cgroup *memcg)
-{
- return 0;
-}
-
-static inline void mem_cgroup_note_reclaim_priority(struct mem_cgroup *memcg,
- int priority)
-{
-}
-
-static inline void mem_cgroup_record_reclaim_priority(struct mem_cgroup *memcg,
- int priority)
-{
-}
-
static inline bool mem_cgroup_disabled(void)
{
return true;
@@ -356,6 +369,16 @@ mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p)
{
}
+static inline void mem_cgroup_begin_update_page_stat(struct page *page,
+ bool *locked, unsigned long *flags)
+{
+}
+
+static inline void mem_cgroup_end_update_page_stat(struct page *page,
+ bool *locked, unsigned long *flags)
+{
+}
+
static inline void mem_cgroup_inc_page_stat(struct page *page,
enum mem_cgroup_page_stat_item idx)
{
@@ -392,11 +415,7 @@ static inline void mem_cgroup_replace_page_cache(struct page *oldpage,
struct page *newpage)
{
}
-
-static inline void mem_cgroup_reset_owner(struct page *page)
-{
-}
-#endif /* CONFIG_CGROUP_MEM_CONT */
+#endif /* CONFIG_CGROUP_MEM_RES_CTLR */
#if !defined(CONFIG_CGROUP_MEM_RES_CTLR) || !defined(CONFIG_DEBUG_VM)
static inline bool