From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sun, 13 Aug 2006 21:58:53 -0700 From: Andrew Morton Subject: Re: [RFC][PATCH 2/9] deadlock prevention core Message-Id: <20060813215853.0ed0e973.akpm@osdl.org> In-Reply-To: <1155530453.5696.98.camel@twins> References: <20060808211731.GR14627@postel.suug.ch> <44DBED4C.6040604@redhat.com> <44DFA225.1020508@google.com> <20060813.165540.56347790.davem@davemloft.net> <44DFD262.5060106@google.com> <20060813185309.928472f9.akpm@osdl.org> <1155530453.5696.98.camel@twins> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Peter Zijlstra Cc: Daniel Phillips , David Miller , riel@redhat.com, tgraf@suug.ch, linux-mm@kvack.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Mike Christie List-ID: On Mon, 14 Aug 2006 06:40:53 +0200 Peter Zijlstra wrote: > Testcase: > > Mount an NBD device as sole swap device and mmap > physical RAM, then > loop through touching pages only once. Fix: don't try to swap over the network. Yes, there may be some scenarios where people have no local storage, but it's reasonable to expect anyone who is using Linux as an "enterprise storage platform" to stick a local disk on the thing for swap. That leaves MAP_SHARED, but mm-tracking-shared-dirty-pages.patch will fix that, will it not? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org