diff options
| author | Vlastimil Babka <[email protected]> | 2015-11-05 18:47:03 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2015-11-05 19:34:48 -0800 |
| commit | f2f81fb2b72b83b661b11da6f1b0bd3526706278 (patch) | |
| tree | 3ee1b1e964fd99a642695db8cf7d5c6823dd5f53 /Documentation/filesystems/caching/netfs-api.txt | |
| parent | 35bd16a227534cb6ffc9b26a33061c2dcf91934b (diff) | |
mm, migrate: count pages failing all retries in vmstat and tracepoint
Migration tries up to 10 times to migrate pages that return -EAGAIN until
it gives up. If some pages fail all retries, they are counted towards the
number of failed pages that migrate_pages() returns. They should also be
counted in the /proc/vmstat pgmigrate_fail and in the mm_migrate_pages
tracepoint.
Signed-off-by: Vlastimil Babka <[email protected]>
Acked-by: David Rientjes <[email protected]>
Cc: Naoya Horiguchi <[email protected]>
Cc: "Kirill A. Shutemov" <[email protected]>
Cc: "Aneesh Kumar K.V" <[email protected]>
Cc: Konstantin Khlebnikov <[email protected]>
Cc: Mel Gorman <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'Documentation/filesystems/caching/netfs-api.txt')
0 files changed, 0 insertions, 0 deletions