From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38538C87FCB for ; Tue, 12 Aug 2025 06:33:04 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B738F8E00BE; Tue, 12 Aug 2025 02:33:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B24608E00E4; Tue, 12 Aug 2025 02:33:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A12AD8E00E5; Tue, 12 Aug 2025 02:33:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 8B5868E00E4 for ; Tue, 12 Aug 2025 02:33:03 -0400 (EDT) Received: from smtpin22.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 3A53656424 for ; Tue, 12 Aug 2025 06:33:03 +0000 (UTC) X-FDA: 83767137846.22.BF839C2 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf13.hostedemail.com (Postfix) with ESMTP id 28D8720006; Tue, 12 Aug 2025 06:33:01 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=linuxfoundation.org header.s=korg header.b=o3Zdl07+; dmarc=pass (policy=none) header.from=linuxfoundation.org; spf=pass (imf13.hostedemail.com: domain of gregkh@linuxfoundation.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1754980381; a=rsa-sha256; cv=none; b=LwCcYP6ONsoQ9fF4q4tLixXGUMxac2sptAVvH+s9dgyAp+waJf/K9SrB2u0zUs8hVilkVp IweSEAuvRwYF40tlCubt/Rx4Ikm3Ob8rlzuqiEw0yFpXhQPz2e9i0Si7RvRFP4ppEGL54N QyFDkCKbDfqKNwxPMKuJ0JUjJOd/qh4= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=pass header.d=linuxfoundation.org header.s=korg header.b=o3Zdl07+; dmarc=pass (policy=none) header.from=linuxfoundation.org; spf=pass (imf13.hostedemail.com: domain of gregkh@linuxfoundation.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1754980381; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=80CcYUyhFS51zi8RkV5UHs4TwEeN2kI+C7wf490nVe0=; b=prBvPVT8ypTcCuBNvXEOejQCnNpmlaI+7BZwMoiuIdKb0FgVjuxSyvsfac46w6C7dW7uAV CIBlYJaCeW290St89+LZEm0dX6YRYb0H1oapuM3JtCBQQjxlKJ80Wftg6rkLxrbNcG1C1p zh7Mikr+O/GgT/FED7QcQrm0lyTYrxo= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 53FB361138; Tue, 12 Aug 2025 06:33:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6C5D8C4CEF0; Tue, 12 Aug 2025 06:32:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1754980380; bh=L+sX4qQqPbDUBLkuV1Ks7WnwsWzP4JYCHfnG9R60EsQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=o3Zdl07+nWJldBMbMVuKTfEaKA02+JJIAzDpjCNhxFWBMLdaRJJhBmPRrgtO3jhOn 3DLPc/DlinkClYmp8AGn0qc5ZzONh5I+O4JSq3yBXwTxghSqeequDUZMB4Ps5ZU4fP axmDeKecaYk3Uif6H2WsVrS0XFX4G8URQzeK1yi8= Date: Tue, 12 Aug 2025 08:32:56 +0200 From: Greg Kroah-Hartman To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, virtualization@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-aio@kvack.org, linux-btrfs@vger.kernel.org, jfs-discussion@lists.sourceforge.net, Andrew Morton , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Jerrin Shaji George , Arnd Bergmann , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , Eugenio =?iso-8859-1?Q?P=E9rez?= , Alexander Viro , Christian Brauner , Jan Kara , Benjamin LaHaise , Chris Mason , Josef Bacik , David Sterba , Muchun Song , Oscar Salvador , Dave Kleikamp , Zi Yan , Matthew Brost , Joshua Hahn , Rakie Kim , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Minchan Kim , Sergey Senozhatsky Subject: Re: [PATCH v1 2/2] treewide: remove MIGRATEPAGE_SUCCESS Message-ID: <2025081248-frisbee-empathic-1815@gregkh> References: <20250811143949.1117439-1-david@redhat.com> <20250811143949.1117439-3-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250811143949.1117439-3-david@redhat.com> X-Stat-Signature: noh65f9fbiu9fijtfcczu57eo4pjf6wf X-Rspam-User: X-Rspamd-Queue-Id: 28D8720006 X-Rspamd-Server: rspam02 X-HE-Tag: 1754980381-510299 X-HE-Meta: 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 9M2g1GRz 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Aug 11, 2025 at 04:39:48PM +0200, David Hildenbrand wrote: > At this point MIGRATEPAGE_SUCCESS is misnamed for all folio users, > and now that we remove MIGRATEPAGE_UNMAP, it's really the only "success" > return value that the code uses and expects. > > Let's just get rid of MIGRATEPAGE_SUCCESS completely and just use "0" > for success. > > Signed-off-by: David Hildenbrand > --- > arch/powerpc/platforms/pseries/cmm.c | 2 +- > drivers/misc/vmw_balloon.c | 4 +-- > drivers/virtio/virtio_balloon.c | 2 +- > fs/aio.c | 2 +- > fs/btrfs/inode.c | 4 +-- > fs/hugetlbfs/inode.c | 4 +-- > fs/jfs/jfs_metapage.c | 8 +++--- > include/linux/migrate.h | 10 +------ > mm/migrate.c | 40 +++++++++++++--------------- > mm/migrate_device.c | 2 +- > mm/zsmalloc.c | 4 +-- > 11 files changed, 36 insertions(+), 46 deletions(-) Acked-by: Greg Kroah-Hartman