From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nick Piggin Subject: Re: [PATCH 00/33] Swap over NFS -v14 Date: Wed, 31 Oct 2007 14:26:32 +1100 Message-ID: <200710311426.33223.nickpiggin@yahoo.com.au> References: <20071030160401.296770000@chello.nl> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: Linus Torvalds , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, trond.myklebust@fys.uio.no To: Peter Zijlstra Return-path: Received: from smtp106.mail.mud.yahoo.com ([209.191.85.216]:48347 "HELO smtp106.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751487AbXJaEdQ (ORCPT ); Wed, 31 Oct 2007 00:33:16 -0400 In-Reply-To: <20071030160401.296770000@chello.nl> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Wednesday 31 October 2007 03:04, Peter Zijlstra wrote: > Hi, > > Another posting of the full swap over NFS series. Hi, Is it really worth all the added complexity of making swap over NFS files work, given that you could use a network block device instead? Also, have you ensured that page_file_index, page_file_mapping and page_offset are only ever used on anonymous pages when the page is locked? (otherwise PageSwapCache could change)