From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from dax.scot.redhat.com (sct@dax.scot.redhat.com [195.89.149.242]) by kvack.org (8.8.7/8.8.7) with ESMTP id LAA13719 for ; Tue, 26 Jan 1999 11:45:55 -0500 Date: Tue, 26 Jan 1999 16:45:44 GMT Message-Id: <199901261645.QAA03883@dax.scot.redhat.com> From: "Stephen C. Tweedie" MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Re: MM deadlock [was: Re: arca-vm-8...] In-Reply-To: References: <199901261436.HAA01099@chelm.cs.nmt.edu> Sender: owner-linux-mm@kvack.org To: Alan Cox Cc: yodaiken@chelm.cs.nmt.edu, mingo@chiara.csoma.elte.hu, sct@redhat.com, groudier@club-internet.fr, torvalds@transmeta.com, werner@suse.de, andrea@e-mind.com, riel@humbolt.geo.uu.nl, Zlatko.Calusic@CARNet.hr, ebiederm+eric@ccr.net, saw@msu.ru, steve@netplus.net, damonbrent@earthlink.net, reese@isn.net, kalle.andersson@mbox303.swipnet.se, bmccann@indusriver.com, bredelin@ucsd.edu, linux-kernel@vger.rutgers.edu, linux-mm@kvack.org List-ID: Hi, On Tue, 26 Jan 1999 15:46:23 +0000 (GMT), alan@lxorguk.ukuu.org.uk (Alan Cox) said: > We don't need to solve the 100% case. Simply being sure we can (slowly) > allocate up to 25% of RAM in huge chunks is going to be enough. Good point > Ingo on one thing I'd missed - the big chunks themselves need some kind > of handles since the moment we hand out 512K chunks we may not be able to > shuffle and get a 4Mb block The idea was to decide what region to hand out, _then_ to clear it. Standard best-fit algorithms apply when carving up the region. --Stephen -- To unsubscribe, send a message with 'unsubscribe linux-mm my@address' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://humbolt.geo.uu.nl/Linux-MM/