From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="iso-8859-1" From: Daniel Phillips Subject: Re: [PATCH] modified segq for 2.5 Date: Tue, 10 Sep 2002 00:46:50 +0200 References: <3D7C6C0A.1BBEBB2D@digeo.com> In-Reply-To: <3D7C6C0A.1BBEBB2D@digeo.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton , Rik van Riel Cc: William Lee Irwin III , sfkaplan@cs.amherst.edu, linux-mm@kvack.org List-ID: On Monday 09 September 2002 11:38, Andrew Morton wrote: > One thing this patch did do was to speed up the initial untar of > the kernel source - 50 seconds down to 25. That'll be due to not > having so much dirt on the inactive list. The "nonblocking page > reclaim" code (needs a better name...) Nonblocking kswapd, no? Perhaps 'kscand' would be a better name, now. > ...does that in 18 secs. Woohoo! I didn't think it would make *that* much difference, did you dig into why? My reason for wanting nonblocking kswapd has always been to be able to untangle the multiple-simultaneous-scanners mess, which we are now in a good position to do. Erm, it never occurred to me it would be as easy as checking whether the page *might* block and skipping it if so. -- Daniel -- 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/