From: Rik van Riel <riel@conectiva.com.br>
To: Andrew Morton <akpm@digeo.com>
Cc: "M. Edward Borasky" <znmeb@aracnet.com>,
Axel Siebenwirth <axel@hh59.org>,
Con Kolivas <conman@kolivas.net>,
lkml <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, lse-tech@lists.sourceforge.net
Subject: Re: 2.5.34-mm4
Date: Sun, 15 Sep 2002 15:56:14 -0300 (BRT) [thread overview]
Message-ID: <Pine.LNX.4.44L.0209151554520.1857-100000@imladris.surriel.com> (raw)
In-Reply-To: <3D84D799.557653C7@digeo.com>
On Sun, 15 Sep 2002, Andrew Morton wrote:
> - In -ac, there are noticeable stalls during heavy writeout. This
> may be an ext3 thing, but I can't think of any IO scheduling
> differences in -ac ext3. I'd be guessing that it is due to
> bdflush/kupdate lumpiness.
This is also due to the fact that -ac has an older -rmap
VM. As in current 2.5, rmap can write out all inactive
pages ... and it did in some worst case situations.
This is fixed in rmap14.
(I hope Alan is done playing with IDE soon so I can push
him a VM update)
regards,
Rik
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next prev parent reply other threads:[~2002-09-15 18:56 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-14 4:06 2.5.34-mm4 Andrew Morton
2002-09-14 4:01 ` 2.5.34-mm4 Rik van Riel
2002-09-15 10:50 ` 2.5.34-mm4 Axel Siebenwirth
2002-09-15 14:31 ` 2.5.34-mm4 Rik van Riel
2002-09-16 18:33 ` 2.5.34-mm4 Bill Davidsen
2002-09-15 17:41 ` 2.5.34-mm4 Andrew Morton
2002-09-15 17:36 ` 2.5.34-mm4 Rik van Riel
2002-09-15 17:39 ` 2.5.34-mm4 Rik van Riel
2002-09-15 17:49 ` 2.5.34-mm4 M. Edward Borasky
2002-09-15 17:54 ` 2.5.34-mm4 Rik van Riel
2002-09-15 18:55 ` 2.5.34-mm4 Andrew Morton
2002-09-15 18:56 ` Rik van Riel [this message]
2002-09-16 1:33 ` 2.5.34-mm4 Alan Cox
2002-09-16 2:32 ` [PATCH](1/2) rmap14 for ac (was: Re: 2.5.34-mm4) Rik van Riel
2002-09-15 19:10 ` [Lse-tech] Re: 2.5.34-mm4 Andi Kleen
2002-09-16 18:51 ` Bill Davidsen
2002-09-19 9:01 ` Jens Axboe
2002-09-16 18:48 ` 2.5.34-mm4 Bill Davidsen
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