mm/workingset: prepare the workingset detection infrastructure for anon LRU

[linux-2.6-microblaze.git] / include / linux / mmzone.h

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 635a96c..efbd95d 100644 (file)
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -173,9 +173,15 @@ enum node_stat_item {
        NR_ISOLATED_ANON,       /* Temporary isolated pages from anon lru */
        NR_ISOLATED_FILE,       /* Temporary isolated pages from file lru */
        WORKINGSET_NODES,
-       WORKINGSET_REFAULT,
-       WORKINGSET_ACTIVATE,
-       WORKINGSET_RESTORE,
+       WORKINGSET_REFAULT_BASE,
+       WORKINGSET_REFAULT_ANON = WORKINGSET_REFAULT_BASE,
+       WORKINGSET_REFAULT_FILE,
+       WORKINGSET_ACTIVATE_BASE,
+       WORKINGSET_ACTIVATE_ANON = WORKINGSET_ACTIVATE_BASE,
+       WORKINGSET_ACTIVATE_FILE,
+       WORKINGSET_RESTORE_BASE,
+       WORKINGSET_RESTORE_ANON = WORKINGSET_RESTORE_BASE,
+       WORKINGSET_RESTORE_FILE,
        WORKINGSET_NODERECLAIM,
        NR_ANON_MAPPED, /* Mapped anonymous pages */
        NR_FILE_MAPPED, /* pagecache pages mapped into pagetables.
@@ -277,8 +283,8 @@ struct lruvec {
        unsigned long                   file_cost;
        /* Non-resident age, driven by LRU movement */
        atomic_long_t                   nonresident_age;
-       /* Refaults at the time of last reclaim cycle */
-       unsigned long                   refaults;
+       /* Refaults at the time of last reclaim cycle, anon=0, file=1 */
+       unsigned long                   refaults[2];
        /* Various lruvec state flags (enum lruvec_flags) */
        unsigned long                   flags;
 #ifdef CONFIG_MEMCG