From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 19 Jun 2002 21:53:23 +0200 (CEST) From: Ingo Molnar Reply-To: Ingo Molnar Subject: Re: [PATCH] (1/2) reverse mapping VM for 2.5.23 (rmap-13b) In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Rik van Riel Cc: Dave Jones , Daniel Phillips , Craig Kulesa , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Linus Torvalds , rwhron@earthlink.net List-ID: On Wed, 19 Jun 2002, Rik van Riel wrote: > I am encouraged by Craig's test results, which show that > rmap did a LOT less swapin IO and rmap with page aging even > less. The fact that it did too much swapout IO means one > part of the system needs tuning but doesn't say much about > the thing as a whole. btw., isnt there a fair chance that by 'fixing' the aging+rmap code to swap out less, you'll ultimately swap in more? [because the extra swappout likely ended up freeing up RAM as well, which in turn decreases the amount of trashing.] Ingo -- 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/