Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 87 insertions, 15 deletions

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 159a0762aeaf..50940da6adf3 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -20,11 +20,18 @@
 #ifndef _LINUX_MEMCONTROL_H
 #define _LINUX_MEMCONTROL_H
 #include <linux/cgroup.h>
+#include <linux/vm_event_item.h>
+
 struct mem_cgroup;
 struct page_cgroup;
 struct page;
 struct mm_struct;
 
+/* Stats that can be updated by kernel. */
+enum mem_cgroup_page_stat_item {
+        MEMCG_NR_FILE_MAPPED, /* # of pages charged as file rss */
+};
+
 extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
                                         struct list_head *dst,
                                         unsigned long *scanned, int order,
@@ -57,6 +64,7 @@ extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
                                         gfp_t gfp_mask);
 extern void mem_cgroup_add_lru_list(struct page *page, enum lru_list lru);
 extern void mem_cgroup_del_lru_list(struct page *page, enum lru_list lru);
+extern void mem_cgroup_rotate_reclaimable_page(struct page *page);
 extern void mem_cgroup_rotate_lru_list(struct page *page, enum lru_list lru);
 extern void mem_cgroup_del_lru(struct page *page);
 extern void mem_cgroup_move_lists(struct page *page,
@@ -76,6 +84,7 @@ int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem);
 
 extern struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page);
 extern struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p);
+extern struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm);
 
 static inline
 int mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *cgroup)
@@ -91,18 +100,19 @@ extern struct cgroup_subsys_state *mem_cgroup_css(struct mem_cgroup *mem);
 
 extern int
 mem_cgroup_prepare_migration(struct page *page,
-        struct page *newpage, struct mem_cgroup **ptr);
+        struct page *newpage, struct mem_cgroup **ptr, gfp_t gfp_mask);
 extern void mem_cgroup_end_migration(struct mem_cgroup *mem,
-        struct page *oldpage, struct page *newpage);
+        struct page *oldpage, struct page *newpage, bool migration_ok);
 
 /*
  * For memory reclaim.
  */
 int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg);
 int mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg);
-unsigned long mem_cgroup_zone_nr_pages(struct mem_cgroup *memcg,
-                                       struct zone *zone,
-                                       enum lru_list lru);
+int mem_cgroup_select_victim_node(struct mem_cgroup *memcg);
+unsigned long mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg,
+                                                struct zone *zone,
+                                                enum lru_list lru);
 struct zone_reclaim_stat *mem_cgroup_get_reclaim_stat(struct mem_cgroup *memcg,
                                                       struct zone *zone);
 struct zone_reclaim_stat*
@@ -121,11 +131,36 @@ static inline bool mem_cgroup_disabled(void)
         return false;
 }
 
-void mem_cgroup_update_file_mapped(struct page *page, int val);
+void mem_cgroup_update_page_stat(struct page *page,
+                                 enum mem_cgroup_page_stat_item idx,
+                                 int val);
+
+static inline void mem_cgroup_inc_page_stat(struct page *page,
+                                            enum mem_cgroup_page_stat_item idx)
+{
+        mem_cgroup_update_page_stat(page, idx, 1);
+}
+
+static inline void mem_cgroup_dec_page_stat(struct page *page,
+                                            enum mem_cgroup_page_stat_item idx)
+{
+        mem_cgroup_update_page_stat(page, idx, -1);
+}
+
 unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
-                                                gfp_t gfp_mask);
+                                                gfp_t gfp_mask,
+                                                unsigned long *total_scanned);
 u64 mem_cgroup_get_limit(struct mem_cgroup *mem);
 
+void mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx);
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+void mem_cgroup_split_huge_fixup(struct page *head, struct page *tail);
+#endif
+
+#ifdef CONFIG_DEBUG_VM
+bool mem_cgroup_bad_page_check(struct page *page);
+void mem_cgroup_print_bad_page(struct page *page);
+#endif
 #else /* CONFIG_CGROUP_MEM_RES_CTLR */
 struct mem_cgroup;
 
@@ -187,6 +222,11 @@ static inline void mem_cgroup_del_lru_list(struct page *page, int lru)
         return ;
 }
 
+static inline void mem_cgroup_rotate_reclaimable_page(struct page *page)
+{
+        return ;
+}
+
 static inline void mem_cgroup_rotate_lru_list(struct page *page, int lru)
 {
         return ;
@@ -207,6 +247,11 @@ static inline struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page)
         return NULL;
 }
 
+static inline struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm)
+{
+        return NULL;
+}
+
 static inline int mm_match_cgroup(struct mm_struct *mm, struct mem_cgroup *mem)
 {
         return 1;
@@ -225,14 +270,13 @@ static inline struct cgroup_subsys_state *mem_cgroup_css(struct mem_cgroup *mem)
 
 static inline int
 mem_cgroup_prepare_migration(struct page *page, struct page *newpage,
-        struct mem_cgroup **ptr)
+        struct mem_cgroup **ptr, gfp_t gfp_mask)
 {
         return 0;
 }
 
 static inline void mem_cgroup_end_migration(struct mem_cgroup *mem,
-                                        struct page *oldpage,
-                                        struct page *newpage)
+                struct page *oldpage, struct page *newpage, bool migration_ok)
 {
 }
 
@@ -269,8 +313,8 @@ mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg)
 }
 
 static inline unsigned long
-mem_cgroup_zone_nr_pages(struct mem_cgroup *memcg, struct zone *zone,
-                         enum lru_list lru)
+mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, struct zone *zone,
+                             enum lru_list lru)
 {
         return 0;
 }
@@ -293,14 +337,20 @@ mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p)
 {
 }
 
-static inline void mem_cgroup_update_file_mapped(struct page *page,
-                                                        int val)
+static inline void mem_cgroup_inc_page_stat(struct page *page,
+                                            enum mem_cgroup_page_stat_item idx)
+{
+}
+
+static inline void mem_cgroup_dec_page_stat(struct page *page,
+                                            enum mem_cgroup_page_stat_item idx)
 {
 }
 
 static inline
 unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
-                                            gfp_t gfp_mask)
+                                            gfp_t gfp_mask,
+                                            unsigned long *total_scanned)
 {
         return 0;
 }
@@ -311,7 +361,29 @@ u64 mem_cgroup_get_limit(struct mem_cgroup *mem)
         return 0;
 }
 
+static inline void mem_cgroup_split_huge_fixup(struct page *head,
+                                                struct page *tail)
+{
+}
+
+static inline
+void mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx)
+{
+}
 #endif /* CONFIG_CGROUP_MEM_CONT */
 
+#if !defined(CONFIG_CGROUP_MEM_RES_CTLR) || !defined(CONFIG_DEBUG_VM)
+static inline bool
+mem_cgroup_bad_page_check(struct page *page)
+{
+        return false;
+}
+
+static inline void
+mem_cgroup_print_bad_page(struct page *page)
+{
+}
+#endif
+
 #endif /* _LINUX_MEMCONTROL_H */