From: Andrew Morton <akpm@linux-foundation.org>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Tejun Heo <tj@kernel.org>, Rik van Riel <riel@redhat.com>,
Mel Gorman <mgorman@suse.de>,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [patch 0/2] mm: reduce reclaim stalls with heavy anon and dirty cache
Date: Fri, 24 Jan 2014 14:30:03 -0800 [thread overview]
Message-ID: <20140124143003.2629e9c2c8c2595e805c8c25@linux-foundation.org> (raw)
In-Reply-To: <1390600984-13925-1-git-send-email-hannes@cmpxchg.org>
On Fri, 24 Jan 2014 17:03:02 -0500 Johannes Weiner <hannes@cmpxchg.org> wrote:
> Tejun reported stuttering and latency spikes on a system where random
> tasks would enter direct reclaim and get stuck on dirty pages. Around
> 50% of memory was occupied by tmpfs backed by an SSD, and another disk
> (rotating) was reading and writing at max speed to shrink a partition.
Do you think this is serious enough to squeeze these into 3.14?
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next prev parent reply other threads:[~2014-01-24 22:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-24 22:03 [patch 0/2] mm: reduce reclaim stalls with heavy anon and dirty cache Johannes Weiner
2014-01-24 22:03 ` [patch 1/2] mm: page-writeback: fix dirty_balance_reserve subtraction from dirtyable memory Johannes Weiner
2014-01-24 23:05 ` Rik van Riel
2014-01-28 13:48 ` Michal Hocko
2014-01-24 22:03 ` [patch 2/2] mm: page-writeback: do not count anon pages as " Johannes Weiner
2014-01-24 23:25 ` Rik van Riel
2014-01-28 13:58 ` Michal Hocko
2014-01-24 22:21 ` [patch 0/2] mm: reduce reclaim stalls with heavy anon and dirty cache Tejun Heo
2014-01-24 23:31 ` Tejun Heo
2014-01-24 22:30 ` Andrew Morton [this message]
2014-01-24 22:51 ` Johannes Weiner
2014-01-24 23:26 ` Rik van Riel
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