From: Wei Yang <richardw.yang@linux.intel.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: Wei Yang <richardw.yang@linux.intel.com>,
akpm@linux-foundation.org, kirill.shutemov@linux.intel.com,
jglisse@redhat.com, mike.kravetz@oracle.com, riel@surriel.com,
khlebnikov@yandex-team.ru, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm/rmap.c: reuse mergeable anon_vma as parent when fork
Date: Sat, 5 Oct 2019 06:33:11 +0800 [thread overview]
Message-ID: <20191004223311.GA32588@richard> (raw)
In-Reply-To: <20191004161120.GI32665@bombadil.infradead.org>
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.
--
Wei Yang
Help you, Help me
next prev parent reply other threads:[~2019-10-04 22:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-04 16:06 [PATCH] mm/rmap.c: reuse mergeable anon_vma as parent when fork Wei Yang
2019-10-04 16:11 ` Matthew Wilcox
2019-10-04 22:33 ` Wei Yang [this message]
2019-10-04 23:48 ` Wei Yang
2019-10-05 1:15 ` Matthew Wilcox
2019-10-05 12:35 ` Wei Yang
2019-10-04 16:33 ` Konstantin Khlebnikov
2019-10-04 22:38 ` Wei Yang
2019-10-04 23:45 ` Rik van Riel
2019-10-04 23:49 ` Wei Yang
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