From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5CFDE4315A; Tue, 12 Aug 2025 06:33:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754980380; cv=none; b=e6NOyTQAr3ShRPwo1C5S1dPY6r9I5xfgA6ksqc07+EBPm1pe4J9Zq10hJvclU01gHmeQJ++NoCIA9kA+SzwzHK3ZLQIQElohDyRNzv3/a7TFLdDyhJsrT0Ug18mlsVp8SLPGwteXpDXh3EZsIZcSJBQlGKTRs3WGe8DRq5CZm1U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754980380; c=relaxed/simple; bh=L+sX4qQqPbDUBLkuV1Ks7WnwsWzP4JYCHfnG9R60EsQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Z7VpderhmCjGzzMHtP9GIXKyv2Oc+qRUg9qXRH5lXUeBFBHRkeMPFcI6G/n2iVn6hKB3PUDkc5MWFQWaV0s+cYTV/B+Kphb5at9H7G9O+jMj1gCe7WgijahfHiQRiYzRRSsE6UtIB45xDPz1bvGOhsO8w/5BK24iU6YuhLJOzUg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=o3Zdl07+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="o3Zdl07+" 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> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250811143949.1117439-3-david@redhat.com> 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