[dm-devel] [PATCH 5/7] dm mpath: reduce memory pressure when requeuing
Junichi Nomura
j-nomura at ce.jp.nec.com
Tue Feb 4 03:27:38 UTC 2014
On 02/04/14 05:28, Mike Snitzer wrote:
> From: Hannes Reinecke <hare at suse.de>
>
> When multipath needs to requeue I/O in the block layer the per-request
> context shouldn't be allocated, as it will be freed immediately
> afterwards anyway. Avoiding this memory allocation will reduce memory
> pressure during requeuing.
>
> Signed-off-by: Hannes Reinecke <hare at suse.de>
> Cc: Jun'ichi Nomura <j-nomura at ce.jp.nec.com>
> Signed-off-by: Mike Snitzer <snitzer at redhat.com>
Reviewed-by: Jun'ichi Nomura <j-nomura at ce.jp.nec.com>
--
Jun'ichi Nomura, NEC Corporation
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