author: Yang Shi <yang.shi@linux.alibaba.com> 2021-09-02 14:59:19 -0700
committer: Linus Torvalds <torvalds@linux-foundation.org> 2021-09-03 09:58:16 -0700
commit: 668e4147d8850df32ca41e28f52c146025ca45c6
parent: 26aa2d199d6f2cfa6f2ef2a5dfe891f2250e71a0
Commit Summary:
Diffstat:
2 files changed, 7 insertions, 0 deletions
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",