From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 4 May 2000 16:00:55 -0300 (BRST) From: Rik van Riel Reply-To: riel@nl.linux.org Subject: Re: Oops in __free_pages_ok (pre7-1) (Long) (backtrace) 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: Linus Torvalds Cc: Rajagopal Ananthanarayanan , Kanoj Sarcar , linux-mm@kvack.org, "David S. Miller" List-ID: On Thu, 4 May 2000, Linus Torvalds wrote: > Note that changing how hard try_to_free_pages() tries to free a page is > exactly part of what Rik has been doing, so this is something that has > changed recently. It's not trivial to get right, for a very simple reason: > we need to balance the "hardness" between the VM area scanning and the RLU > list scanning. With the current scheme, it's pretty much impossible to get it right. > Rik probably balanced it ok, but ended up making it too soft, > giving up much too easily even when memory really would be > available if it were to just try a bit harder.. *nod* I hope the active/inactive page list scheme will fix this. (we can push harder since we'll have pages in every stage of aging every time) regards, Rik -- The Internet is not a network of computers. It is a network of people. That is its real strength. Wanna talk about the kernel? irc.openprojects.net / #kernelnewbies 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/