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Date: Thu, 12 Apr 2012 14:08:38 -0400
From: Rik van Riel <riel@redhat.com>
MIME-Version: 1.0
Subject: Re: [PATCH] mm: fix up the vmscan stat in vmstat
References: <1334253782-22755-1-git-send-email-yinghan@google.com>
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To: Ying Han <yinghan@google.com>
Cc: Michal Hocko <mhocko@suse.cz>, Johannes Weiner <hannes@cmpxchg.org>, Mel Gorman <mel@csn.ul.ie>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, Hillf Danton <dhillf@gmail.com>, Hugh Dickins <hughd@google.com>, Dan Magenheimer <dan.magenheimer@oracle.com>, Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org

On 04/12/2012 02:03 PM, Ying Han wrote:
> It is always confusing on stat "pgsteal" where it counts both direct
> reclaim as well as background reclaim. However, we have "kswapd_steal"
> which also counts background reclaim value.
>
> This patch fixes it and also makes it match the existng "pgscan_" stats.
>
> Test:
> pgsteal_kswapd_dma32 447623
> pgsteal_kswapd_normal 42272677
> pgsteal_kswapd_movable 0
> pgsteal_direct_dma32 2801
> pgsteal_direct_normal 44353270
> pgsteal_direct_movable 0
>
> Signed-off-by: Ying Han<yinghan@google.com>

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

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