diff options
| -rw-r--r-- | include/linux/vmstat.h | 3 | ||||
| -rw-r--r-- | mm/vmscan.c | 3 | ||||
| -rw-r--r-- | mm/vmstat.c | 3 |
3 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 524cd1b28ec..cfdd3cae888 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 d51e9937ff2..2500b01e7a7 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2452,6 +2452,9 @@ 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 74d66dba0cb..ddb360a09ef 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -675,6 +675,9 @@ 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", |