From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 31 Aug 2000 18:15:01 -0300 (BRST) From: Rik van Riel Subject: [PATCH *] VM patch w/ drop behind for 2.4.0-test8-pre1 Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: linux-mm@kvack.org Cc: linux-kernel@vger.redhat.com List-ID: Hi, today I released a new version of my VM patch for 2.4.0-test. This patch should mostly fix streaming IO performance, due to the following two features: - drop_behind(), when we do a readahead, move the pages 'behind' us to the inactive list .. this way we can do streaming IO without putting pressure on the working set - deactivate pages in generic_file_write(), this does basically the same ... by moving the pages we write to to the inactive_dirty list, a big download, etc.. doesn't impact the working set of the system I'm particularly interested in the impact of streaming IO on the performance of the rest of the system with this patch, but of course also in the performance of the streaming IO itself. The patch is available from: http://www.surriel.com/patches/ http://www.surriel.com/patches/2.4.0-t8p1-vmpatch2 regards, Rik -- "What you're running that piece of shit Gnome?!?!" -- Miguel de Icaza, UKUUG 2000 http://www.conectiva.com/ http://www.surriel.com/ -- 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.eu.org/Linux-MM/