linux-kernel - Re: [PATCH v14 045/138] mm/memcg: Add folio_memcg_lock() and folio_memcg

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Message-ID: <YPfso9ApUu2K8DXj@kernel.org>
Date:   Wed, 21 Jul 2021 12:45:07 +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 045/138] mm/memcg: Add folio_memcg_lock() and
 folio_memcg_unlock()

On Thu, Jul 15, 2021 at 04:35:31AM +0100, Matthew Wilcox (Oracle) wrote:
> These are the folio equivalents of lock_page_memcg() and
> unlock_page_memcg().
> 
> lock_page_memcg() and unlock_page_memcg() have too many callers to be
> easily replaced in a single patch, so reimplement them as wrappers for
> now to be cleaned up later when enough callers have been converted to
> use folios.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> Reviewed-by: Christoph Hellwig <hch@....de>
> ---
>  include/linux/memcontrol.h | 10 +++++++++
>  mm/memcontrol.c            | 45 ++++++++++++++++++++++++--------------
>  2 files changed, 39 insertions(+), 16 deletions(-)

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