diff options
| author | Yang Shi <[email protected]> | 2021-09-02 14:59:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2021-09-03 09:58:16 -0700 |
| commit | 668e4147d8850df32ca41e28f52c146025ca45c6 (patch) | |
| tree | cb96f0f27eb25d932aeda46b117d8b5918ac4b4f /include/linux | |
| parent | 26aa2d199d6f2cfa6f2ef2a5dfe891f2250e71a0 (diff) | |
mm/vmscan: add page demotion counter
Account the number of demoted pages.
Add pgdemote_kswapd and pgdemote_direct VM counters showed in
/proc/vmstat.
[ daveh:
- __count_vm_events() a bit, and made them look at the THP
size directly rather than getting data from migrate_pages()
]
Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Yang Shi <[email protected]>
Signed-off-by: Dave Hansen <[email protected]>
Signed-off-by: "Huang, Ying" <[email protected]>
Reviewed-by: Yang Shi <[email protected]>
Reviewed-by: Wei Xu <[email protected]>
Reviewed-by: Zi Yan <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: David Hildenbrand <[email protected]>
Cc: Oscar Salvador <[email protected]>
Cc: Greg Thelen <[email protected]>
Cc: Keith Busch <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/vm_event_item.h | 2 |
1 files changed, 2 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, |