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Date: Wed, 15 May 2013 13:39:22 -0400
From: Rik van Riel <riel@redhat.com>
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Subject: Re: [PATCH 1/4] mm: Add tracepoints for LRU activation and insertions
References: <1368440482-27909-1-git-send-email-mgorman@suse.de> <1368440482-27909-2-git-send-email-mgorman@suse.de>
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To: Mel Gorman <mgorman@suse.de>
Cc: Alexey Lyahkov <alexey.lyashkov@gmail.com>, Andrew Perepechko <anserper@ya.ru>, Robin Dong <sanbai@taobao.com>, Theodore Tso <tytso@mit.edu>, Andrew Morton <akpm@linux-foundation.org>, Hugh Dickins <hughd@google.com>, Johannes Weiner <hannes@cmpxchg.org>, Bernd Schubert <bernd.schubert@fastmail.fm>, David Howells <dhowells@redhat.com>, Trond Myklebust <Trond.Myklebust@netapp.com>, Linux-fsdevel <linux-fsdevel@vger.kernel.org>, Linux-ext4 <linux-ext4@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>, Linux-mm <linux-mm@kvack.org>

On 05/13/2013 06:21 AM, Mel Gorman wrote:
> Using these tracepoints it is possible to model LRU activity and the
> average residency of pages of different types. This can be used to
> debug problems related to premature reclaim of pages of particular
> types.
>
> Signed-off-by: Mel Gorman <mgorman@suse.de>

Reviewed-by: Rik van Riel <riel@redhat.com>


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