Date: Mon, 3 Jun 2013 20:52:28 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: linux-mm@kvack.org, Andi Kleen <andi@firstfloor.org>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Greg Thelen <gthelen@google.com>,
        Christoph Hellwig <hch@infradead.org>, Hugh Dickins <hughd@google.com>,
        Jan Kara <jack@suse.cz>,
        KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
        Mel Gorman <mgorman@suse.de>, Minchan Kim <minchan.kim@gmail.com>,
        Rik van Riel <riel@redhat.com>, Michel Lespinasse <walken@google.com>,
        Seth Jennings <sjenning@linux.vnet.ibm.com>,
        Roman Gushchin <klamm@yandex-team.ru>, metin d <metdos@yahoo.com>,
        linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [patch 10/10] mm: workingset: keep shadow entries in check
Message-ID: <20130603185228.GG8923@twins.programming.kicks-ass.net>
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 <20130603152032.GF15576@cmpxchg.org>
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On Mon, Jun 03, 2013 at 02:12:02PM -0400, Johannes Weiner wrote:
> > But given that, sure maybe 1 memory size is a bit strict, but surely we
> > can put a limit on things at about 2 memory sizes?
> 
> That's what this 10/10 patch does (prune everything older than 2 *
> global_dirtyable_memory()), so I think we're talking past each other.
> 
> Maybe the wording of the changelog was confusing?  The paragraph you
> quoted above explains the problem resulting from 9/10 but which this
> patch 10/10 fixes.

Could be I just didn't read very well -- I pretty much raced through the
patches trying to get a general overview and see if I could spot
something weird.

I'll try again and let you know :-)
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