From: Shaohua Li <shaohua.li@intel.com>
To: Minchan Kim <minchan.kim@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
"mgorman@suse.de" <mgorman@suse.de>,
linux-mm <linux-mm@kvack.org>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH]vmscan: fix a livelock in kswapd
Date: Tue, 19 Jul 2011 16:53:04 +0800 [thread overview]
Message-ID: <1311065584.15392.300.camel@sli10-conroe> (raw)
In-Reply-To: <CAEwNFnB6HKJ3j9cWzyb2e3BS2BQrE66F6eT02C4cozRC9YQ7kw@mail.gmail.com>
On Tue, 2011-07-19 at 16:45 +0800, Minchan Kim wrote:
> On Tue, Jul 19, 2011 at 4:09 PM, Shaohua Li <shaohua.li@intel.com> wrote:
> > I'm running a workload which triggers a lot of swap in a machine with 4 nodes.
> > After I kill the workload, I found a kswapd livelock. Sometimes kswapd3 or
> > kswapd2 are keeping running and I can't access filesystem, but most memory is
> > free. This looks like a regression since commit 08951e545918c159.
>
> Could you tell me what is 08951e545918c159?
> You mean [ebd64e21ec5a,
> mm-vmscan-only-read-new_classzone_idx-from-pgdat-when-reclaiming-successfully]
> ?
ha, sorry, I should copy the commit title.
08951e545918c159(mm: vmscan: correct check for kswapd sleeping in
sleeping_prematurely)
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next prev parent reply other threads:[~2011-07-19 8:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-19 7:09 Shaohua Li
2011-07-19 8:39 ` Mel Gorman
2011-07-19 8:45 ` Minchan Kim
2011-07-19 8:53 ` Shaohua Li [this message]
2011-07-19 16:51 ` Minchan Kim
2011-07-20 0:43 ` Shaohua Li
2011-07-20 4:09 ` Minchan Kim
2011-07-20 5:18 ` Shaohua Li
2011-07-20 5:43 ` Minchan Kim
2011-07-20 5:44 ` Minchan Kim
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