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| author | Mel Gorman <mgorman@suse.de> | 2012-10-19 14:07:31 +0100 |
|---|---|---|
| committer | Mel Gorman <mgorman@suse.de> | 2012-12-11 14:28:35 +0000 |
| commit | 7b2a2d4a18fffac3c4872021529b0657896db788 (patch) | |
| tree | a0f05be191f12711a774368f6feb15bcd2eebf1a /mm/memory-failure.c | |
| parent | 5647bc293ab15f66a7b1cda850c5e9d162a6c7c2 (diff) | |
| download | linux-7b2a2d4a18fffac3c4872021529b0657896db788.tar.gz 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/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 6c5899b9034a..ddb68a169e45 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1558,7 +1558,8 @@ int soft_offline_page(struct page *page, int flags) page_is_file_cache(page)); list_add(&page->lru, &pagelist); ret = migrate_pages(&pagelist, new_page, MPOL_MF_MOVE_ALL, - false, MIGRATE_SYNC); + false, MIGRATE_SYNC, + MR_MEMORY_FAILURE); if (ret) { putback_lru_pages(&pagelist); pr_info("soft offline: %#lx: migration failed %d, type %lx\n", |