diff options
-rw-r--r-- | include/linux/vm_event_item.h | 2 | ||||
-rw-r--r-- | mm/vmscan.c | 5 | ||||
-rw-r--r-- | mm/vmstat.c | 2 |
3 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h index ae0dd1948c2b..a185cc75ff52 100644 --- a/include/linux/vm_event_item.h +++ b/include/linux/vm_event_item.h @@ -33,6 +33,8 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, PGREUSE, PGSTEAL_KSWAPD, PGSTEAL_DIRECT, + PGDEMOTE_KSWAPD, + PGDEMOTE_DIRECT, PGSCAN_KSWAPD, PGSCAN_DIRECT, PGSCAN_DIRECT_THROTTLE, diff --git a/mm/vmscan.c b/mm/vmscan.c index f26b247f5daf..88593b82a8df 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1318,6 +1318,11 @@ static unsigned int demote_page_list(struct list_head *demote_pages, target_nid, MIGRATE_ASYNC, MR_DEMOTION, &nr_succeeded); + if (current_is_kswapd()) + __count_vm_events(PGDEMOTE_KSWAPD, nr_succeeded); + else + __count_vm_events(PGDEMOTE_DIRECT, nr_succeeded); + return nr_succeeded; } diff --git a/mm/vmstat.c b/mm/vmstat.c index b0534e068166..ec5a2e789dd2 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1217,6 +1217,8 @@ const char * const vmstat_text[] = { "pgreuse", "pgsteal_kswapd", "pgsteal_direct", + "pgdemote_kswapd", + "pgdemote_direct", "pgscan_kswapd", "pgscan_direct", "pgscan_direct_throttle", |