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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id rj9-20020a17090b3e8900b001c7b15a305csi2101552pjb.9.2022.03.30.20.30.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Mar 2022 20:30:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.de header.s=susede2_rsa header.b=xx5GSJRe; dkim=neutral (no key) header.i=@suse.de; spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=suse.de Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 3462111F780; Wed, 30 Mar 2022 19:55:46 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352354AbiCaBQI (ORCPT + 99 others); Wed, 30 Mar 2022 21:16:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352324AbiCaBOt (ORCPT ); Wed, 30 Mar 2022 21:14:49 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6E1F8674C9; Wed, 30 Mar 2022 18:12:49 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id D27F8210E3; Thu, 31 Mar 2022 01:12:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1648689167; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=2ZCMnjhhcWUX7ZYHloF0R6ZgTpYnAjTJDUQyQz77/Bg=; b=xx5GSJRewcZAbgwoEHNTyRZ1uAEYwRri3VDIauaS5z4InmEzzobqwL5Kh1mr7G8JyrRCao GpJApWhiCMrZZBAwg/gozjF4prLlAYI7tHF1upGqAN5guPbFdcOIh3fr/bWCOaXTW+Oj6n 3WMJnnw+FHyu5y+B8lxJFQJCA4MoWKM= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1648689167; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=2ZCMnjhhcWUX7ZYHloF0R6ZgTpYnAjTJDUQyQz77/Bg=; b=cdqZljJY2guPbPOstzhqlwHTLPKziJy12sNp8y8QUSoxCcHrQkbHerBbbUB1DzFy7oV60y gvRVgqLn4yGTdWAg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id DB13E13AE0; Thu, 31 Mar 2022 01:12:45 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id zKz5JA0ARWKjUQAAMHmgww (envelope-from ); Thu, 31 Mar 2022 01:12:45 +0000 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit MIME-Version: 1.0 From: "NeilBrown" To: "David Howells" Cc: dhowells@redhat.com, "Andrew Morton" , "Christoph Hellwig" , linux-nfs@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 00/10] MM changes to improve swap-over-NFS support In-reply-to: <2923577.1648635976@warthog.procyon.org.uk> References: <164859751830.29473.5309689752169286816.stgit@noble.brown>, <2923577.1648635976@warthog.procyon.org.uk> Date: Thu, 31 Mar 2022 12:12:41 +1100 Message-id: <164868916197.25542.11845352976146070176@noble.neil.brown.name> X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org On Wed, 30 Mar 2022, David Howells wrote: > Do you have a branch with your patches on? http://git.neil.brown.name/?p=linux.git;a=shortlog;h=refs/heads/swap-nfs git://neil.brown.name/linux branch swap-nfs Also on https://github.com/neilbrown/linux.git same branch (it seems 1GB is no longer enough to run a git server for the kernel effectively) This contains - recent HEAD from Linus, which includes the NFS work - the patches I sent to akpm - the patch to switch NFS over to using the new swap_rw - a SUNRPC patch to fix an easy crash. But has always been there, but recent changes to how kmalloc is called makes it much easier to trigger. NeilBrown