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[23.128.96.37]) by mx.google.com with ESMTPS id y7-20020a63e247000000b005c2783b71d7si949691pgj.354.2023.11.21.23.13.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Nov 2023 23:13:18 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) client-ip=23.128.96.37; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 99D498045958; Tue, 21 Nov 2023 23:11:13 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230166AbjKVHKx (ORCPT + 99 others); Wed, 22 Nov 2023 02:10:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42932 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230137AbjKVHKs (ORCPT ); Wed, 22 Nov 2023 02:10:48 -0500 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C387090; Tue, 21 Nov 2023 23:10:44 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id F058267373; Wed, 22 Nov 2023 08:10:40 +0100 (CET) Date: Wed, 22 Nov 2023 08:10:40 +0100 From: Christoph Hellwig To: Stephen Rothwell Cc: Paolo Bonzini , KVM , Christian Brauner , Christoph Hellwig , Linux Kernel Mailing List , Linux Next Mailing List , Sean Christopherson , Vlastimil Babka Subject: Re: linux-next: manual merge of the kvm tree with the vfs-brauner tree Message-ID: <20231122071040.GA4104@lst.de> References: <20231122125539.5a7df3a3@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231122125539.5a7df3a3@canb.auug.org.au> User-Agent: Mutt/1.5.17 (2007-11-01) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham 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-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Tue, 21 Nov 2023 23:11:13 -0800 (PST) On Wed, Nov 22, 2023 at 12:55:39PM +1100, Stephen Rothwell wrote: > index 06142ff7f9ce,bf2965b01b35..000000000000 > --- a/include/linux/pagemap.h > +++ b/include/linux/pagemap.h > @@@ -203,9 -203,8 +203,10 @@@ enum mapping_flags > /* writeback related tags are not used */ > AS_NO_WRITEBACK_TAGS = 5, > AS_LARGE_FOLIO_SUPPORT = 6, > - AS_RELEASE_ALWAYS, /* Call ->release_folio(), even if no private data */ > + AS_RELEASE_ALWAYS = 7, /* Call ->release_folio(), even if no private data */ > + AS_UNMOVABLE = 8, /* The mapping cannot be moved, ever */ > + AS_STABLE_WRITES, /* must wait for writeback before modifying > + folio contents */ > }; Note that AS_STABLE_WRITES, is a fix for 6.7, so this will probably end up getting reordered. It might also be worth to remove all the explicit number assignments here to make the merge conflict resolution a bit easier in the future.