linux-kernel - Re: [PATCH v13 13/18] mm/memcg: Add folio_memcg_lock() and folio_memcg

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Message-ID: <YO2OD5SdBnzec0no@infradead.org>
Date:   Tue, 13 Jul 2021 13:58:55 +0100
From:   Christoph Hellwig <hch@...radead.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
        cgroups@...r.kernel.org
Subject: Re: [PATCH v13 13/18] mm/memcg: Add folio_memcg_lock() and
 folio_memcg_unlock()

On Mon, Jul 12, 2021 at 08:45:46PM +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>

Looks good,

Reviewed-by: Christoph Hellwig <hch@....de>