From: Richard Kennedy Date: Mon, 1 Mar 2010 09:57:22 +0000 (+0100) Subject: block: don't access jiffies when initialising io_context X-Git-Tag: v2.6.34-rc1~242^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4671a1322052425afa38fcb7980d2fd2bb0fc99b;p=profile%2Fcommon%2Fkernel-common.git block: don't access jiffies when initialising io_context As the comment says the initial value of last_waited is never used, so there is no need to initialise it with the current jiffies. Jiffies is hot enough without accessing it for no reason. Signed-off-by: Richard Kennedy Signed-off-by: Jens Axboe --- diff --git a/block/blk-ioc.c b/block/blk-ioc.c index 98e6bf6..3f65c8a 100644 --- a/block/blk-ioc.c +++ b/block/blk-ioc.c @@ -91,7 +91,7 @@ struct io_context *alloc_io_context(gfp_t gfp_flags, int node) spin_lock_init(&ret->lock); ret->ioprio_changed = 0; ret->ioprio = 0; - ret->last_waited = jiffies; /* doesn't matter... */ + ret->last_waited = 0; /* doesn't matter... */ ret->nr_batch_requests = 0; /* because this is 0 */ INIT_RADIX_TREE(&ret->radix_root, GFP_ATOMIC | __GFP_HIGH); INIT_HLIST_HEAD(&ret->cic_list);