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Date: Tue, 8 Jan 2019 13:26:49 -0800
From: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] mm: Remove redundant test from find_get_pages_contig
Message-Id: <20190108132649.8f25386d966f04b0bccd6d77@linux-foundation.org>
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References: <20190107200224.13260-1-willy@infradead.org>
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To: Matthew Wilcox <willy@infradead.org>
Cc: Hugh Dickins <hughd@google.com>, linux-mm@kvack.org, linux-kernel@vger.kernel.org

On Tue, 8 Jan 2019 12:26:35 -0800 Matthew Wilcox <willy@infradead.org> wrote:

> > Would it be excessively cautious to put a WARN_ON_ONCE() in there for a
> > while?
> 
> I think it would ... it'd get in the way of a subsequent patch to store
> only head pages in the page cache.

OK, shall grab.  Perhaps the changelog could gain a few words
explaining the history, etc.