linux-kernel - Re: [RFC v2 PATCH 0/8] mm: mirrored memory support for page buddy allocations

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Date:	Mon, 29 Jun 2015 18:52:10 -0700
From:	Dave Hansen <dave.hansen@...el.com>
To:	Xishi Qiu <qiuxishi@...wei.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...nel.org>,
	"Luck, Tony" <tony.luck@...el.com>,
	Hanjun Guo <guohanjun@...wei.com>,
	Xiexiuqi <xiexiuqi@...wei.com>, leon@...n.nu,
	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Vlastimil Babka <vbabka@...e.cz>, Mel Gorman <mgorman@...e.de>,
	Linux MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC v2 PATCH 0/8] mm: mirrored memory support for page buddy
 allocations

On 06/29/2015 06:26 PM, Xishi Qiu wrote:
>> > Has there been any performance analysis done on this code?  I'm always
>> > nervous when I see page_alloc.c churn.
>> > 
> Not yet, which benchmark do you suggest?

mmtests is always a good place to start.  aim9.  I'm partial to
will-it-scale.


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