Message-ID: <55920384.7030301@huawei.com>
Date: Tue, 30 Jun 2015 10:48:36 +0800
From: Xishi Qiu <qiuxishi@huawei.com>
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To: Dave Hansen <dave.hansen@intel.com>
CC: Andrew Morton <akpm@linux-foundation.org>,
        "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@kernel.org>,
        "Luck, Tony" <tony.luck@intel.com>, Hanjun Guo <guohanjun@huawei.com>,
        Xiexiuqi <xiexiuqi@huawei.com>, <leon@leon.nu>,
        Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
        Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
        Vlastimil Babka <vbabka@suse.cz>, Mel Gorman <mgorman@suse.de>,
        Linux MM <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC v2 PATCH 0/8] mm: mirrored memory support for page buddy
 allocations
References: <558E084A.60900@huawei.com> <559161EF.7050405@intel.com> <5591F042.1020304@huawei.com> <5591F64A.3040108@intel.com>
In-Reply-To: <5591F64A.3040108@intel.com>
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On 2015/6/30 9:52, Dave Hansen wrote:

> 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.
> 

I see, thank you.

> 
> 
> .
> 


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