Merge branch 'drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...

[linux-2.6-omap-h63xx.git] / include / linux / mmzone.h

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 9c5111f49a32c7c67af347cef5b3b429923433b8..35a7b5e19465fc89154dd2097f0bd4913e7b2e21 100644 (file)
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -86,6 +86,13 @@ enum zone_stat_item {
        NR_ACTIVE_ANON,         /*  "     "     "   "       "         */
        NR_INACTIVE_FILE,       /*  "     "     "   "       "         */
        NR_ACTIVE_FILE,         /*  "     "     "   "       "         */
+#ifdef CONFIG_UNEVICTABLE_LRU
+       NR_UNEVICTABLE,         /*  "     "     "   "       "         */
+       NR_MLOCK,               /* mlock()ed pages found and moved off LRU */
+#else
+       NR_UNEVICTABLE = NR_ACTIVE_FILE, /* avoid compiler errors in dead code */
+       NR_MLOCK = NR_ACTIVE_FILE,
+#endif
        NR_ANON_PAGES,  /* Mapped anonymous pages */
        NR_FILE_MAPPED, /* pagecache pages mapped into pagetables.
                           only modified from process context */
@@ -128,10 +135,18 @@ enum lru_list {
        LRU_ACTIVE_ANON = LRU_BASE + LRU_ACTIVE,
        LRU_INACTIVE_FILE = LRU_BASE + LRU_FILE,
        LRU_ACTIVE_FILE = LRU_BASE + LRU_FILE + LRU_ACTIVE,
-       NR_LRU_LISTS };
+#ifdef CONFIG_UNEVICTABLE_LRU
+       LRU_UNEVICTABLE,
+#else
+       LRU_UNEVICTABLE = LRU_ACTIVE_FILE, /* avoid compiler errors in dead code */
+#endif
+       NR_LRU_LISTS
+};
 
 #define for_each_lru(l) for (l = 0; l < NR_LRU_LISTS; l++)
 
+#define for_each_evictable_lru(l) for (l = 0; l <= LRU_ACTIVE_FILE; l++)
+
 static inline int is_file_lru(enum lru_list l)
 {
        return (l == LRU_INACTIVE_FILE || l == LRU_ACTIVE_FILE);
@@ -142,6 +157,15 @@ static inline int is_active_lru(enum lru_list l)
        return (l == LRU_ACTIVE_ANON || l == LRU_ACTIVE_FILE);
 }
 
+static inline int is_unevictable_lru(enum lru_list l)
+{
+#ifdef CONFIG_UNEVICTABLE_LRU
+       return (l == LRU_UNEVICTABLE);
+#else
+       return 0;
+#endif
+}
+
 struct per_cpu_pages {
        int count;              /* number of pages in the list */
        int high;               /* high watermark, emptying needed */
@@ -577,8 +601,11 @@ typedef struct pglist_data {
        struct zone node_zones[MAX_NR_ZONES];
        struct zonelist node_zonelists[MAX_ZONELISTS];
        int nr_zones;
-#ifdef CONFIG_FLAT_NODE_MEM_MAP
+#ifdef CONFIG_FLAT_NODE_MEM_MAP        /* means !SPARSEMEM */
        struct page *node_mem_map;
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+       struct page_cgroup *node_page_cgroup;
+#endif
 #endif
        struct bootmem_data *bdata;
 #ifdef CONFIG_MEMORY_HOTPLUG
@@ -907,6 +934,7 @@ static inline unsigned long early_pfn_to_nid(unsigned long pfn)
 #endif
 
 struct page;
+struct page_cgroup;
 struct mem_section {
        /*
         * This is, logically, a pointer to an array of struct
@@ -924,6 +952,14 @@ struct mem_section {
 
        /* See declaration of similar field in struct zone */
        unsigned long *pageblock_flags;
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+       /*
+        * If !SPARSEMEM, pgdat doesn't have page_cgroup pointer. We use
+        * section. (see memcontrol.h/page_cgroup.h about this.)
+        */
+       struct page_cgroup *page_cgroup;
+       unsigned long pad;
+#endif
 };
 
 #ifdef CONFIG_SPARSEMEM_EXTREME