diff options
| author | Mel Gorman <mgorman@suse.de> | 2012-10-19 17:07:31 +0400 |
|---|---|---|
| committer | Mel Gorman <mgorman@suse.de> | 2012-12-11 18:28:35 +0400 |
| commit | 7b2a2d4a18fffac3c4872021529b0657896db788 (patch) | |
| tree | a0f05be191f12711a774368f6feb15bcd2eebf1a /mm/compaction.c | |
| parent | 5647bc293ab15f66a7b1cda850c5e9d162a6c7c2 (diff) | |
| download | linux-7b2a2d4a18fffac3c4872021529b0657896db788.tar.xz | |
mm: migrate: Add a tracepoint for migrate_pages
The pgmigrate_success and pgmigrate_fail vmstat counters tells the user
about migration activity but not the type or the reason. This patch adds
a tracepoint to identify the type of page migration and why the page is
being migrated.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
Diffstat (limited to 'mm/compaction.c')
| -rw-r--r-- | mm/compaction.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index 00ad88395216..2c077a78487c 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -990,7 +990,8 @@ static int compact_zone(struct zone *zone, struct compact_control *cc) nr_migrate = cc->nr_migratepages; err = migrate_pages(&cc->migratepages, compaction_alloc, (unsigned long)cc, false, - cc->sync ? MIGRATE_SYNC_LIGHT : MIGRATE_ASYNC); + cc->sync ? MIGRATE_SYNC_LIGHT : MIGRATE_ASYNC, + MR_COMPACTION); update_nr_listpages(cc); nr_remaining = cc->nr_migratepages; |