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 TAA12721 for ; Tue, 12 Jan 1999 19:18:52 -0500 Date: Tue, 12 Jan 1999 22:46:08 +0100 (CET) From: Rik van Riel Subject: Re: MM deadlock [was: Re: arca-vm-8...] In-Reply-To: <87d84kl49u.fsf@atlas.CARNet.hr> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Zlatko Calusic Cc: Linus Torvalds , "Stephen C. Tweedie" , "Eric W. Biederman" , Savochkin Andrey Vladimirovich , Andrea Arcangeli , steve@netplus.net, brent verner , "Garst R. Reese" , Kalle Andersson , Ben McCann , Alan Cox , bredelin@ucsd.edu, linux-kernel@vger.rutgers.edu, linux-mm@kvack.org List-ID: On 12 Jan 1999, Zlatko Calusic wrote: > After number of async pages gets bigger than > pager_daemon.swap_cluster (= SWAP_CLUSTER_MAX), swapin readahead > becomes synchronous, and that hurts performance. It is better to > skip readahead in such situations, and that is also more fair to > swapout. Andrea came to exactly the same conclusion, independent > of me (on the same day :)). IIRC this facility was in the original swapin readahead implementation. That only leaves the question who removed it and why :)) cheers, Rik -- If a Microsoft product fails, who do you sue? +-------------------------------------------------------------------+ | Linux memory management tour guide. riel@humbolt.geo.uu.nl | | Scouting Vries cubscout leader. http://humbolt.geo.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