From: Tejun Heo <tj@kernel.org>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: Jeff Moyer <jmoyer@redhat.com>,
axboe@kernel.dk, linux-kernel@vger.kernel.org,
cgroups@vger.kernel.org, avanzini.arianna@gmail.com
Subject: Re: [PATCH 5/8] cfq-iosched: remove @gfp_mask from cfq_find_alloc_queue()
Date: Tue, 9 Jun 2015 12:01:47 +0900 [thread overview]
Message-ID: <20150609030147.GK21465@mtj.duckdns.org> (raw)
In-Reply-To: <20150608211930.GA20918@redhat.com>
On Mon, Jun 08, 2015 at 05:19:30PM -0400, Vivek Goyal wrote:
> Whatever we end up using, may be it is a good idea to use same policy
> for block group allocation too. Right now we use GFP_ATOMIC for blkcg
> allocation.
>
> So this will be equivalent of that when memory is low, we don't provide
> service differentiation.
Yeap, I'll add a patch to convert all optional allocations to
GFP_NOWAIT.
Thanks.
--
tejun
next prev parent reply other threads:[~2015-06-09 3:02 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-08 8:59 [PATCHSET block/for-4.2/writeback] block, cgroup: make cfq charge async IOs to the appropriate blkcgs Tejun Heo
2015-06-08 8:59 ` [PATCH 1/8] cfq-iosched: simplify control flow in cfq_get_queue() Tejun Heo
2015-06-08 18:36 ` Jeff Moyer
2015-06-08 8:59 ` [PATCH 2/8] cfq-iosched: fix async oom queue handling Tejun Heo
2015-06-08 18:42 ` Jeff Moyer
2015-06-08 8:59 ` [PATCH 3/8] cfq-iosched: fix oom cfq_queue ref leak in cfq_set_request() Tejun Heo
2015-06-08 18:51 ` Jeff Moyer
2015-06-08 8:59 ` [PATCH 4/8] cfq-iosched: minor cleanups Tejun Heo
2015-06-08 18:59 ` Jeff Moyer
2015-06-08 8:59 ` [PATCH 5/8] cfq-iosched: remove @gfp_mask from cfq_find_alloc_queue() Tejun Heo
2015-06-08 19:24 ` Jeff Moyer
2015-06-08 20:27 ` Jeff Moyer
2015-06-08 21:19 ` Vivek Goyal
2015-06-09 3:01 ` Tejun Heo [this message]
2015-06-09 3:00 ` Tejun Heo
2015-06-09 14:29 ` Jeff Moyer
2015-06-08 8:59 ` [PATCH 6/8] cfq-iosched: move cfq_group determination from cfq_find_alloc_queue() to cfq_get_queue() Tejun Heo
2015-06-09 14:32 ` Jeff Moyer
2015-06-08 8:59 ` [PATCH 7/8] cfq-iosched: fold cfq_find_alloc_queue() into cfq_get_queue() Tejun Heo
2015-06-09 14:40 ` Jeff Moyer
2015-06-10 2:47 ` Tejun Heo
2015-06-08 8:59 ` [PATCH 8/8] cfq-iosched: charge async IOs to the appropriate blkcg's instead of the root Tejun Heo
2015-06-08 22:29 ` Vivek Goyal
2015-06-09 3:11 ` Tejun Heo
2015-06-09 15:03 ` Jeff Moyer
2015-06-08 19:49 ` [PATCHSET block/for-4.2/writeback] block, cgroup: make cfq charge async IOs to the appropriate blkcgs Jeff Moyer
2015-06-09 3:03 ` Tejun Heo
2015-06-09 15:05 ` Jeff Moyer
2015-06-10 2:49 ` Tejun Heo
2015-06-09 4:21 ` [PATCH 4.5/8] blkcg, cfq-iosched: use GFP_NOWAIT instead of GFP_ATOMIC for non-critical allocations Tejun Heo
2015-06-09 14:27 ` Jeff Moyer
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