3 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index ff4696c6dce3..81a97cf8f0a0 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -36,6 +36,9 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
                 FOR_ALL_ZONES(PGSTEAL),
                 FOR_ALL_ZONES(PGSCAN_KSWAPD),
                 FOR_ALL_ZONES(PGSCAN_DIRECT),
+#ifdef CONFIG_NUMA
+                PGSCAN_ZONE_RECLAIM_FAILED,
+#endif
                 PGINODESTEAL, SLABS_SCANNED, KSWAPD_STEAL, KSWAPD_INODESTEAL,
                 PAGEOUTRUN, ALLOCSTALL, PGROTATED,
 #ifdef CONFIG_HUGETLB_PAGE
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 16c82a868e2b..3018ad756133 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2519,6 +2519,9 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
         ret = __zone_reclaim(zone, gfp_mask, order);
         zone_clear_flag(zone, ZONE_RECLAIM_LOCKED);
 
+        if (!ret)
+                count_vm_event(PGSCAN_ZONE_RECLAIM_FAILED);
+
         return ret;
 }
 #endif
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 1e3aa8139f22..138bed53706e 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -673,6 +673,9 @@ static const char * const vmstat_text[] = {
         TEXTS_FOR_ZONES("pgscan_kswapd")
         TEXTS_FOR_ZONES("pgscan_direct")
 
+#ifdef CONFIG_NUMA
+        "zone_reclaim_failed",
+#endif
         "pginodesteal",
         "slabs_scanned",
         "kswapd_steal",