From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sun, 15 Sep 2002 15:56:14 -0300 (BRT) From: Rik van Riel Subject: Re: 2.5.34-mm4 In-Reply-To: <3D84D799.557653C7@digeo.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: "M. Edward Borasky" , Axel Siebenwirth , Con Kolivas , lkml , linux-mm@kvack.org, lse-tech@lists.sourceforge.net List-ID: 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 -- Bravely reimplemented by the knights who say "NIH". http://www.surriel.com/ http://distro.conectiva.com/ Spamtraps of the month: september@surriel.com trac@trac.org -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/