From: Johannes Weiner <hannes@cmpxchg.org>
To: Shaohua Li <shaohua.li@intel.com>
Cc: linux-mm <linux-mm@kvack.org>, mel <mel@csn.ul.ie>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [patch]vmscan: avoid set zone congested if no page dirty
Date: Thu, 4 Nov 2010 15:00:11 +0100 [thread overview]
Message-ID: <20101104140011.GC6384@cmpxchg.org> (raw)
In-Reply-To: <1288831858.23014.129.camel@sli10-conroe>
On Thu, Nov 04, 2010 at 08:50:58AM +0800, Shaohua Li wrote:
> nr_dirty and nr_congested are increased only when page is dirty. So if all pages
> are clean, both them will be zero. In this case, we should not mark the zone
> congested.
>
> Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
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next prev parent reply other threads:[~2010-11-04 14:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-04 0:50 Shaohua Li
2010-11-04 14:00 ` Johannes Weiner [this message]
2010-11-05 2:17 ` Minchan Kim
2010-11-05 14:44 ` Mel Gorman
2010-11-10 23:16 ` Andrew Morton
2010-11-11 10:29 ` Mel Gorman
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