Re: [PATCH] mm/rmap.c: reuse mergeable anon_vma as parent when fork

[Wei Yang]

On Fri, Oct 04, 2019 at 09:11:20AM -0700, Matthew Wilcox wrote:
>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?

I didn't evaluate these aspects.

BTW, how to evaluate peak memory consumption? This looks a transient value.

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Wei Yang
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