linux-kernel - Re: [PATCH]vmscan: fix a livelock in kswapd

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Message-ID: <CAEwNFnB6HKJ3j9cWzyb2e3BS2BQrE66F6eT02C4cozRC9YQ7kw@mail.gmail.com>
Date:	Tue, 19 Jul 2011 17:45:16 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	Shaohua Li <shaohua.li@...el.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, mgorman@...e.de,
	linux-mm <linux-mm@...ck.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH]vmscan: fix a livelock in kswapd

On Tue, Jul 19, 2011 at 4:09 PM, Shaohua Li <shaohua.li@...el.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]
?


-- 
Kind regards,
Minchan Kim
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