linux-kernel - Re: [RFC v2 PATCH 1/8] mm: add a new config to manage the code

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Date:	Tue, 30 Jun 2015 10:52:00 +0800
From:	Xishi Qiu <qiuxishi@...wei.com>
To:	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.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>,
	Dave Hansen <dave.hansen@...el.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 1/8] mm: add a new config to manage the code

On 2015/6/29 14:50, Kamezawa Hiroyuki wrote:

> On 2015/06/27 11:23, Xishi Qiu wrote:
>> This patch introduces a new config called "CONFIG_ACPI_MIRROR_MEMORY", set it
>                                              CONFIG_MEMORY_MIRROR
>> off by default.
>>
>> Signed-off-by: Xishi Qiu <qiuxishi@...wei.com>
>> ---
>>   mm/Kconfig | 8 ++++++++
>>   1 file changed, 8 insertions(+)
>>
>> diff --git a/mm/Kconfig b/mm/Kconfig
>> index 390214d..c40bb8b 100644
>> --- a/mm/Kconfig
>> +++ b/mm/Kconfig
>> @@ -200,6 +200,14 @@ config MEMORY_HOTREMOVE
>>       depends on MEMORY_HOTPLUG && ARCH_ENABLE_MEMORY_HOTREMOVE
>>       depends on MIGRATION
>>
>> +config MEMORY_MIRROR
> 
>   In following patches, you use CONFIG_MEMORY_MIRROR.
> 
> I think the name is too generic besides it's depends on ACPI.
> But I'm not sure address based memory mirror is planned in other platform.
> 
> So, hmm. How about dividing the config into 2 parts like attached ? (just an example)
> 

Seems like a good idea, thank you.

> Thanks,
> -Kame



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