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| author | Jens Axboe <jens.axboe@oracle.com> | 2009-09-03 20:06:47 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-09-11 14:34:33 +0200 |
| commit | 01e97f6b897bf06ec83375d691f2f4d57f5b3a09 (patch) | |
| tree | 72a99783584254b06b19dd41da7ecaf2d13760c3 | |
| parent | b217a903ab6581cba04f88c44284dcdd2a752561 (diff) | |
| download | op-kernel-dev-01e97f6b897bf06ec83375d691f2f4d57f5b3a09.zip op-kernel-dev-01e97f6b897bf06ec83375d691f2f4d57f5b3a09.tar.gz | |
block: enable rq CPU completion affinity by default
Test results here look good, and on big OLTP runs it has also shown
to significantly increase cycles attributed to the database and
cause a performance boost.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| -rw-r--r-- | include/linux/blkdev.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 98b4563..8bf1a10 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -463,7 +463,8 @@ struct request_queue #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ (1 << QUEUE_FLAG_CLUSTER) | \ - (1 << QUEUE_FLAG_STACKABLE)) + (1 << QUEUE_FLAG_STACKABLE) | \ + (1 << QUEUE_FLAG_SAME_COMP)) static inline int queue_is_locked(struct request_queue *q) { |
