From: Andrew Morton <akpm@linux-foundation.org>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Marcelo Tosatti <marcelo@kvack.org>,
Rik van Riel <riel@redhat.com>,
Daniel Spang <daniel.spang@gmail.com>
Subject: Re: [RFC][PATCH] a bit improvement of ZONE_DMA page reclaim
Date: Thu, 17 Jan 2008 23:21:47 -0800 [thread overview]
Message-ID: <20080117232147.85ae8cab.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080118151822.8FAE.KOSAKI.MOTOHIRO@jp.fujitsu.com>
On Fri, 18 Jan 2008 15:34:33 +0900 KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:
> Hi
>
> on X86, ZONE_DMA is very very small.
> It is often no used at all.
In that case page-reclaim is supposed to set all_unreclaimable and
basically ignores the zone altogether until it looks like something might
have changed.
Is that code not working? (quite possible).
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Marcelo Tosatti <marcelo@kvack.org>,
Rik van Riel <riel@redhat.com>,
Daniel Spang <daniel.spang@gmail.com>
Subject: Re: [RFC][PATCH] a bit improvement of ZONE_DMA page reclaim
Date: Thu, 17 Jan 2008 23:21:47 -0800 [thread overview]
Message-ID: <20080117232147.85ae8cab.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080118151822.8FAE.KOSAKI.MOTOHIRO@jp.fujitsu.com>
On Fri, 18 Jan 2008 15:34:33 +0900 KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:
> Hi
>
> on X86, ZONE_DMA is very very small.
> It is often no used at all.
In that case page-reclaim is supposed to set all_unreclaimable and
basically ignores the zone altogether until it looks like something might
have changed.
Is that code not working? (quite possible).
--
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next prev parent reply other threads:[~2008-01-18 7:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-18 6:34 [RFC][PATCH] a bit improvement of ZONE_DMA page reclaim KOSAKI Motohiro
2008-01-18 6:34 ` KOSAKI Motohiro
2008-01-18 7:21 ` Andrew Morton [this message]
2008-01-18 7:21 ` Andrew Morton
2008-01-18 7:28 ` KOSAKI Motohiro
2008-01-18 7:28 ` KOSAKI Motohiro
2008-01-18 11:11 ` KOSAKI Motohiro
2008-01-18 11:11 ` KOSAKI Motohiro
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