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Date:   Sat, 14 Nov 2020 11:21:33 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc:     linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
        akpm@linux-foundation.org, hughd@google.com, hch@lst.de,
        hannes@cmpxchg.org, yang.shi@linux.alibaba.com,
        dchinner@redhat.com, linux-kernel@vger.kernel.org,
        Jan Kara <jack@suse.cz>,
        William Kucharski <william.kucharski@oracle.com>
Subject: Re: [PATCH v4 13/16] mm: Pass pvec directly to find_get_entries
Message-ID: <20201114102133.GN19102@lst.de>
References: <20201112212641.27837-1-willy@infradead.org> <20201112212641.27837-14-willy@infradead.org>
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On Thu, Nov 12, 2020 at 09:26:38PM +0000, Matthew Wilcox (Oracle) wrote:
> +	pvec->nr = ret;
>  	return ret;

Do we need to return the number of found entries in addition to storing
it in the pagevec?