From: Tang Chen <tangchen@cn.fujitsu.com>
To: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: mingo@redhat.com, hpa@zytor.com, akpm@linux-foundation.org,
yinghai@kernel.org, jiang.liu@huawei.com, wency@cn.fujitsu.com,
laijs@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com,
tj@kernel.org, mgorman@suse.de, minchan@kernel.org,
mina86@mina86.com, gong.chen@linux.intel.com,
vasilis.liaskovitis@profitbricks.com, lwoodman@redhat.com,
riel@redhat.com, jweiner@redhat.com, prarit@redhat.com,
x86@kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v3 12/13] x86, numa, acpi, memory-hotplug: Make movablecore=acpi have higher priority.
Date: Mon, 03 Jun 2013 15:37:06 +0800 [thread overview]
Message-ID: <51AC47A2.6020108@cn.fujitsu.com> (raw)
In-Reply-To: <20130603025924.GB7441@hacker.(null)>
On 06/03/2013 10:59 AM, Wanpeng Li wrote:
> On Fri, May 24, 2013 at 05:29:21PM +0800, Tang Chen wrote:
>> Arrange hotpluggable memory as ZONE_MOVABLE will cause NUMA performance decreased
>> because the kernel cannot use movable memory.
>>
>> For users who don't use memory hotplug and who don't want to lose their NUMA
>> performance, they need a way to disable this functionality.
>>
>> So, if users specify "movablecore=acpi" in kernel commandline, the kernel will
>> use SRAT to arrange ZONE_MOVABLE, and it has higher priority then original
>> movablecore and kernelcore boot option.
>>
>> For those who don't want this, just specify nothing.
>>
>
> Reviewed-by: Wanpeng Li<liwanp@linux.vnet.ibm.com>
Thank you very much for reviewing these patches. :)
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next prev parent reply other threads:[~2013-06-03 7:34 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-24 9:29 [PATCH v3 00/13] Arrange hotpluggable memory in SRAT as ZONE_MOVABLE Tang Chen
2013-05-24 9:29 ` [PATCH v3 01/13] x86: get pg_data_t's memory from other node Tang Chen
2013-06-03 0:31 ` Wanpeng Li
2013-06-03 0:31 ` Wanpeng Li
2013-05-24 9:29 ` [PATCH v3 02/13] acpi: Print Hot-Pluggable Field in SRAT Tang Chen
2013-06-03 0:50 ` Wanpeng Li
2013-06-03 0:50 ` Wanpeng Li
2013-05-24 9:29 ` [PATCH v3 03/13] page_alloc, mem-hotplug: Improve movablecore to {en|dis}able using SRAT Tang Chen
2013-06-03 0:52 ` Wanpeng Li
2013-06-03 0:52 ` Wanpeng Li
2013-05-24 9:29 ` [PATCH v3 04/13] x86, numa, acpi, memory-hotplug: Introduce hotplug info into struct numa_meminfo Tang Chen
2013-05-24 9:29 ` [PATCH v3 05/13] x86, numa, acpi, memory-hotplug: Consider hotplug info when cleanup numa_meminfo Tang Chen
2013-05-24 9:29 ` [PATCH v3 06/13] memblock, numa: Introduce flag into memblock Tang Chen
2013-06-03 1:30 ` Wanpeng Li
2013-06-03 1:59 ` Tang Chen
2013-06-03 1:30 ` Wanpeng Li
2013-05-24 9:29 ` [PATCH v3 07/13] x86, numa, mem-hotplug: Mark nodes which the kernel resides in Tang Chen
2013-05-31 16:24 ` Vasilis Liaskovitis
2013-06-03 7:35 ` Tang Chen
2013-06-03 13:18 ` Vasilis Liaskovitis
2013-06-06 9:42 ` Tang Chen
2013-05-24 9:29 ` [PATCH v3 08/13] x86, numa: Move memory_add_physaddr_to_nid() to CONFIG_NUMA Tang Chen
2013-05-24 9:29 ` [PATCH v3 09/13] x86, numa, memblock: Introduce MEMBLK_LOCAL_NODE to mark and reserve node-life-cycle data Tang Chen
2013-05-24 9:29 ` [PATCH v3 10/13] x86, acpi, numa, mem-hotplug: Introduce MEMBLK_HOTPLUGGABLE to mark and reserve hotpluggable memory Tang Chen
2013-05-31 16:15 ` Vasilis Liaskovitis
2013-05-24 9:29 ` [PATCH v3 11/13] x86, memblock, mem-hotplug: Free hotpluggable memory reserved by memblock Tang Chen
2013-06-03 2:57 ` Wanpeng Li
2013-06-03 2:57 ` Wanpeng Li
2013-05-24 9:29 ` [PATCH v3 12/13] x86, numa, acpi, memory-hotplug: Make movablecore=acpi have higher priority Tang Chen
2013-06-03 2:59 ` Wanpeng Li
2013-06-03 2:59 ` Wanpeng Li
2013-06-03 7:37 ` Tang Chen [this message]
2013-05-24 9:29 ` [PATCH v3 13/13] doc, page_alloc, acpi, mem-hotplug: Add doc for movablecore=acpi boot option Tang Chen
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