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Date:   Sun, 6 Feb 2022 23:49:43 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc:     linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 30/75] mm/memcg: Convert mem_cgroup_swapout() to take a
 folio
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 <20220204195852.1751729-31-willy@infradead.org>
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On Fri, Feb 04, 2022 at 07:58:07PM +0000, Matthew Wilcox (Oracle) wrote:
>  #ifdef CONFIG_MEMCG_SWAP
> -extern void mem_cgroup_swapout(struct page *page, swp_entry_t entry);
> +extern void mem_cgroup_swapout(struct folio *folio, swp_entry_t entry);

Might be worth to drop the extern while you're at it.

Otherwise looks good:

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