linux-kernel - Re: [PATCH v1 2/2] treewide: remove MIGRATEPAGE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <E26CCE5E-8198-4919-A38E-DCD2F65F0BEA@nvidia.com>
Date: Mon, 11 Aug 2025 14:18:37 -0400
From: Zi Yan <ziy@...dia.com>
To: David Hildenbrand <david@...hat.com>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
 linuxppc-dev@...ts.ozlabs.org, virtualization@...ts.linux.dev,
 linux-fsdevel@...r.kernel.org, linux-aio@...ck.org,
 linux-btrfs@...r.kernel.org, jfs-discussion@...ts.sourceforge.net,
 Andrew Morton <akpm@...ux-foundation.org>,
 Madhavan Srinivasan <maddy@...ux.ibm.com>,
 Michael Ellerman <mpe@...erman.id.au>, Nicholas Piggin <npiggin@...il.com>,
 Christophe Leroy <christophe.leroy@...roup.eu>,
 Jerrin Shaji George <jerrin.shaji-george@...adcom.com>,
 Arnd Bergmann <arnd@...db.de>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>,
 Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
 Eugenio Pérez <eperezma@...hat.com>,
 Alexander Viro <viro@...iv.linux.org.uk>,
 Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>,
 Benjamin LaHaise <bcrl@...ck.org>, Chris Mason <clm@...com>,
 Josef Bacik <josef@...icpanda.com>, David Sterba <dsterba@...e.com>,
 Muchun Song <muchun.song@...ux.dev>, Oscar Salvador <osalvador@...e.de>,
 Dave Kleikamp <shaggy@...nel.org>, Matthew Brost <matthew.brost@...el.com>,
 Joshua Hahn <joshua.hahnjy@...il.com>, Rakie Kim <rakie.kim@...com>,
 Byungchul Park <byungchul@...com>, Gregory Price <gourry@...rry.net>,
 Ying Huang <ying.huang@...ux.alibaba.com>,
 Alistair Popple <apopple@...dia.com>, Minchan Kim <minchan@...nel.org>,
 Sergey Senozhatsky <senozhatsky@...omium.org>
Subject: Re: [PATCH v1 2/2] treewide: remove MIGRATEPAGE_SUCCESS

On 11 Aug 2025, at 10:39, 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 <david@...hat.com>
> ---
>  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(-)
>

For the mm part, LGTM. Reviewed-by: Zi Yan <ziy@...dia.com>

Best Regards,
Yan, Zi