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| author | Jens Axboe <jens.axboe@oracle.com> | 2010-05-17 12:51:03 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2010-05-17 12:51:03 +0200 |
| commit | 69b62d01ec44fe0d505d89917392347732135a4d (patch) | |
| tree | da40561f3d87ee1073e92ca925ed3ed36708a1d7 /include/linux/backing-dev.h | |
| parent | 2395e463fefd4aa8b784787e926e9b84e216d14f (diff) | |
writeback: disable periodic old data writeback for !dirty_writeback_centisecs
Prior to 2.6.32, setting /proc/sys/vm/dirty_writeback_centisecs disabled
periodic dirty writeback from kupdate. This got broken and now causes
excessive sys CPU usage if set to zero, as we'll keep beating on
schedule().
Cc: stable@kernel.org
Reported-by: Justin Maggard <jmaggard10@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux/backing-dev.h')
0 files changed, 0 insertions, 0 deletions