From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 21 Dec 2000 17:42:24 -0200 (BRDT) From: Rik van Riel Subject: Re: Interesting item came up while working on FreeBSD's pageout daemon In-Reply-To: <3A423423.F73F1225@innominate.de> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Daniel Phillips Cc: Matthew Dillon , linux-mm@kvack.org List-ID: On Thu, 21 Dec 2000, Daniel Phillips wrote: > Matthew Dillon wrote: > > My conclusion from this is that I was wrong before when I thought that > > clean and dirty pages should be treated the same, and I was also wrong > > trying to give clean pages 'ultimate' priority over dirty pages, but I > > think I may be right giving dirty pages two go-arounds in the queue > > before flushing. Limiting the number of dirty page flushes allowed per > > pass also works but has unwanted side effects. > > Hi, I'm a newcomer to the mm world, but it looks like fun, so I'm > jumping in. :-) > > It looks like what you really want are separate lru lists for > clean and dirty. That way you can tune the rate at which dirty > vs clean pages are moved from active to inactive. Let me clear up one thing. The whole clean/dirty story Matthew wrote down only goes for the *inactive* pages, not for the active ones... regards, Rik -- Hollywood goes for world dumbination, Trailer at 11. http://www.surriel.com/ http://www.conectiva.com/ http://distro.conectiva.com.br/ -- 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/