linux-kernel - Re: [PATCH v14 043/138] mm/memcg: Convert mem_cgroup

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Message-ID: <YPfslx7nqhP+CP3H@kernel.org>
Date:   Wed, 21 Jul 2021 12:44:55 +0300
From:   Mike Rapoport <rppt@...nel.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org, Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v14 043/138] mm/memcg: Convert mem_cgroup_migrate() to
 take folios

On Thu, Jul 15, 2021 at 04:35:29AM +0100, Matthew Wilcox (Oracle) wrote:
> Convert all callers of mem_cgroup_migrate() to call page_folio() first.
> They all look like they're using head pages already, but this proves it.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> Reviewed-by: Christoph Hellwig <hch@....de>
> ---
>  include/linux/memcontrol.h |  4 ++--
>  mm/filemap.c               |  4 +++-
>  mm/memcontrol.c            | 35 +++++++++++++++++------------------
>  mm/migrate.c               |  4 +++-
>  mm/shmem.c                 |  5 ++++-
>  5 files changed, 29 insertions(+), 23 deletions(-)

Acked-by: Mike Rapoport <rppt@...ux.ibm.com>