From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from max.phys.uu.nl (max.phys.uu.nl [131.211.32.73]) by kvack.org (8.8.7/8.8.7) with ESMTP id RAA11844 for ; Wed, 29 Jul 1998 17:30:53 -0400 Received: from mirkwood.dummy.home (root@anx1p6.phys.uu.nl [131.211.33.95]) by max.phys.uu.nl (8.8.7/8.8.7/hjm) with ESMTP id XAA09352 for ; Wed, 29 Jul 1998 23:30:44 +0200 (MET DST) Received: from localhost (riel@localhost) by mirkwood.dummy.home (8.9.0/8.8.3) with SMTP id UAA12180 for ; Wed, 29 Jul 1998 20:00:48 +0200 Date: Wed, 29 Jul 1998 20:00:48 +0200 (CEST) From: Rik van Riel Reply-To: Rik van Riel Subject: Re: Page cache ageing: yae or nae? Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Linux MM List-ID: On Wed, 29 Jul 1998, Stephen C. Tweedie wrote: > Right, but we don't need page aging to address that. Currently we don't > set the page referenced bit on a readahead IO; setting that bit will be > sufficient to guard the page for at least one full pass of the > shrink_mmap scan. Hmm, one full pass of shrink_mmap will probably take quite a number of calls to that function, since without aging we are able to find far more freeable pages... At the moment I'm super-busy with my (vacation) job, but I might be able to find some time this weekend. Maybe some folks on linux-mm have spare time? Rik. +-------------------------------------------------------------------+ | Linux memory management tour guide. H.H.vanRiel@phys.uu.nl | | Scouting Vries cubscout leader. http://www.phys.uu.nl/~riel/ | +-------------------------------------------------------------------+ -- This is a majordomo managed list. To unsubscribe, send a message with the body 'unsubscribe linux-mm me@address' to: majordomo@kvack.org