From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from snowcrash.cymru.net (snowcrash.cymru.net [163.164.160.3]) by kvack.org (8.8.7/8.8.7) with ESMTP id QAA08773 for ; Mon, 4 Jan 1999 16:08:40 -0500 Message-Id: From: alan@lxorguk.ukuu.org.uk (Alan Cox) Subject: Re: [patch] arca-vm-6, killed kswapd [Re: [patch] new-vm improvement , [Re: 2.2.0 Bug summary]] Date: Mon, 4 Jan 1999 22:04:08 +0000 (GMT) In-Reply-To: from "Linus Torvalds" at Jan 4, 99 12:56:27 pm Content-Type: text Sender: owner-linux-mm@kvack.org To: Linus Torvalds Cc: andrea@e-mind.com, steve@netplus.net, bredelin@ucsd.edu, sct@redhat.com, linux-kernel@vger.rutgers.edu, alan@lxorguk.ukuu.org.uk, H.H.vanRiel@phys.uu.nl, linux-mm@kvack.org List-ID: > Boom. You just killed the machine with your patch, because maybe the > GPF_ATOMIC things are what the machine is doing. Imagine a machine that > acts as a router - it might not even be running any normal user processes > at _all_, but it had damn well better make sure that memory is always > available some way. "kswapd" did that for us, and Rik's happiness counts > as nothing in face of basic facts of life like that. Sorry. Its performance properties are very interesting however. They do seem to suggest kswapd should be more of a last resort. Alan -- This is a majordomo managed list. To unsubscribe, send a message with the body 'unsubscribe linux-mm me@address' to: majordomo@kvack.org