From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15137.17195.500288.181489@pizda.ninka.net> Date: Fri, 8 Jun 2001 14:27:07 -0700 (PDT) Subject: Re: Background scanning change on 2.4.6-pre1 In-Reply-To: References: Sender: owner-linux-mm@kvack.org Return-Path: To: Marcelo Tosatti Cc: Linus Torvalds , Mike Galbraith , Zlatko Calusic , linux-mm@kvack.org List-ID: Marcelo Tosatti writes: > > and Davem tried that once with noticeable performance > > degradation from the added locking and list manipulation. > > David, > > Could you please send me that code so I can work on it and try to reduce > the performance degradation and take a look at the what it gives us ? > > And remember even if we have a performance degradation by the locking and > list manipulation by adding this "feature", it may bring us a big > advantage on the fair aging thing I described above. Please search the linux-mm archives, Stephen Tweedie posted my patches at some point long ago. I deleted all my copies because that code does not deserve to live in my opinion, and the problem ought to be attacked from another angle. Later, David S. Miller davem@redhat.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-mm.org/