From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from haymarket.ed.ac.uk (haymarket.ed.ac.uk [129.215.128.53]) by kvack.org (8.8.7/8.8.7) with ESMTP id QAA09089 for ; Fri, 3 Jul 1998 16:06:27 -0400 Date: Fri, 3 Jul 1998 21:05:27 +0100 Message-Id: <199807032005.VAA02773@dax.dcs.ed.ac.uk> From: "Stephen C. Tweedie" MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Re: Thread implementations... In-Reply-To: References: <199807010850.JAA00764@dax.dcs.ed.ac.uk> Sender: owner-linux-mm@kvack.org To: Rik van Riel Cc: "Stephen C. Tweedie" , Linux MM List-ID: Hi, On Fri, 3 Jul 1998 17:21:51 +0200 (CEST), Rik van Riel said: > On Wed, 1 Jul 1998, Stephen C. Tweedie wrote: >> sequential clusters, but if we have things like Ingo's random swap >> stats-based prediction logic, then we can use exactly the same extent >> concept there too. > Hmm, it appears this was the legendary swap readahead code I > was looking for a while ago :) > But, ehhh, just what _is_ this random swap stats-based prediction > algorithm, It's a per-swap-page readahead predictor which observes the access patterns for vmas. > and how far from implementation is it? It is implemented. It is not in the main kernels, nor does it take advantage of the potential for swap readahead in the 2.1.86+ kernels. --Stephen -- This is a majordomo managed list. To unsubscribe, send a message with the body 'unsubscribe linux-mm me@address' to: majordomo@kvack.org