2 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index d1f60d5fe2ea..da2d053a95f1 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -88,8 +88,10 @@ enum zone_stat_item {
         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.
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 135840cd7feb..05b805020be2 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -45,6 +45,10 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
                 UNEVICTABLE_PGCULLED,   /* culled to noreclaim list */
                 UNEVICTABLE_PGSCANNED,  /* scanned for reclaimability */
                 UNEVICTABLE_PGRESCUED,  /* rescued from noreclaim list */
+                UNEVICTABLE_PGMLOCKED,
+                UNEVICTABLE_PGMUNLOCKED,
+                UNEVICTABLE_PGCLEARED,  /* on COW, page truncate */
+                UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
 #endif
                 NR_VM_EVENT_ITEMS
 };