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From:   David Howells <dhowells@redhat.com>
In-Reply-To: <20210715033704.692967-23-willy@infradead.org>
References: <20210715033704.692967-23-willy@infradead.org> <20210715033704.692967-1-willy@infradead.org>
To:     "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc:     dhowells@redhat.com, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
        Christoph Hellwig <hch@lst.de>,
        Jeff Layton <jlayton@kernel.org>,
        "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
        William Kucharski <william.kucharski@oracle.com>
Subject: Re: [PATCH v14 022/138] mm/filemap: Add __folio_lock_or_retry()
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Content-ID: <1796456.1628609695.1@warthog.procyon.org.uk>
Date:   Tue, 10 Aug 2021 16:34:55 +0100
Message-ID: <1796457.1628609695@warthog.procyon.org.uk>
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Matthew Wilcox (Oracle) <willy@infradead.org> wrote:

> Convert __lock_page_or_retry() to __folio_lock_or_retry().  This actually
> saves 4 bytes in the only caller of lock_page_or_retry() (due to better
> register allocation) and saves the 14 byte cost of calling page_folio()
> in __folio_lock_or_retry() for a total saving of 18 bytes.  Also use
> a bool for the return type.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Acked-by: Jeff Layton <jlayton@kernel.org>
> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Reviewed-by: William Kucharski <william.kucharski@oracle.com>

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