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

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Message-ID: <1810623.1628627327@warthog.procyon.org.uk>
Date:   Tue, 10 Aug 2021 21:28:47 +0100
From:   David Howells <dhowells@...hat.com>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     dhowells@...hat.com, 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()

Matthew Wilcox (Oracle) <willy@...radead.org> 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>

Reviewed-by: David Howells <dhowells@...hat.com>