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(parent: efbeccd) | patch
blk-mq: Reduce blk_mq_hw_ctx size
authorBart Van Assche <bart.vanassche@sandisk.com>
Tue, 20 Jun 2017 18:15:38 +0000 (11:15 -0700)
committerJens Axboe <axboe@kernel.dk>
Wed, 21 Jun 2017 01:27:14 +0000 (19:27 -0600)
commit073196787727e454e17a96d222ea55eba2000978
tree3b0c7733b6cfe467367abbd59fe2e4d59dac730ftree | snapshot (tar.gz zip)
parentefbeccdb59d666b9c77d505af01097cc0a9d102bcommit | diff
blk-mq: Reduce blk_mq_hw_ctx size

Since the srcu structure is rather large (184 bytes on an x86-64
system with kernel debugging disabled), only allocate it if needed.

Reported-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-mq.c diff | blob | blame | history
include/linux/blk-mq.h diff | blob | blame | history