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Date:   Fri, 4 Oct 2019 09:11:20 -0700
From:   Matthew Wilcox <willy@infradead.org>
To:     Wei Yang <richardw.yang@linux.intel.com>
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        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm/rmap.c: reuse mergeable anon_vma as parent when fork
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On Sat, Oct 05, 2019 at 12:06:32AM +0800, Wei Yang wrote:
> After this change, kernel build test reduces 20% anon_vma allocation.

But does it have any effect on elapsed time or peak memory consumption?