From: Zhang Yanfei <zhangyanfei.yes@gmail.com>
To: Tejun Heo <tj@kernel.org>
Cc: Tang Chen <tangchen@cn.fujitsu.com>,
rjw@sisk.pl, lenb@kernel.org, tglx@linutronix.de, mingo@elte.hu,
hpa@zytor.com, akpm@linux-foundation.org, toshi.kani@hp.com,
zhangyanfei@cn.fujitsu.com, liwanp@linux.vnet.ibm.com,
trenn@suse.de, yinghai@kernel.org, jiang.liu@huawei.com,
wency@cn.fujitsu.com, laijs@cn.fujitsu.com,
isimatu.yasuaki@jp.fujitsu.com, izumi.taku@jp.fujitsu.com,
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,
linux-acpi@vger.kernel.org
Subject: Re: [PATCH v3 4/5] x86, mem-hotplug: Support initialize page tables from low to high.
Date: Tue, 24 Sep 2013 00:46:16 +0800 [thread overview]
Message-ID: <52407058.8070806@gmail.com> (raw)
In-Reply-To: <20130923155331.GE14547@htj.dyndns.org>
Hello tejun,
On 09/23/2013 11:53 PM, Tejun Heo wrote:
> Hey,
>
> On Fri, Sep 13, 2013 at 05:30:54PM +0800, Tang Chen wrote:
>> init_mem_mapping() is called before SRAT is parsed. And memblock will allocate
>> memory for page tables. To prevent page tables being allocated within hotpluggable
>> memory, we will allocate page tables from the end of kernel image to the higher
>> memory.
>
> The same comment about patch split as before. Please make splitting
> out memory_map_from_high() a separate patch. Also, please choose one
> pair to describe the direction. The series is currently using four
> variants - top_down/bottom_up, high_to_low/low_to_high,
> from_high/from_low. rev/[none]. Please choose one and stick with it.
OK. will do the split and choose one pair. Thanks for the reminding again.
>
> Thanks.
>
--
Thanks.
Zhang Yanfei
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next prev parent reply other threads:[~2013-09-23 16:58 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-13 9:30 [PATCH v3 0/5] x86, memblock: Allocate memory near kernel image before SRAT parsed Tang Chen
2013-09-13 9:30 ` [PATCH v3 1/5] memblock: Introduce allocation direction to memblock Tang Chen
2013-09-14 2:42 ` Jianguo Wu
2013-09-15 13:23 ` chen tang
2013-09-23 15:38 ` Tejun Heo
2013-09-23 16:36 ` Zhang Yanfei
2013-09-13 9:30 ` [PATCH v3 2/5] memblock: Improve memblock to support allocation from lower address Tang Chen
2013-09-13 21:53 ` Toshi Kani
2013-09-16 1:28 ` Zhang Yanfei
2013-09-23 15:50 ` Tejun Heo
2013-09-23 16:44 ` Zhang Yanfei
2013-09-23 18:07 ` Zhang Yanfei
2013-09-23 20:21 ` Tejun Heo
2013-09-24 2:41 ` Zhang Yanfei
2013-09-24 2:46 ` Tejun Heo
2013-09-13 9:30 ` [PATCH v3 3/5] x86, acpi, crash, kdump: Do reserve_crashkernel() after SRAT is parsed Tang Chen
2013-09-13 9:30 ` [PATCH v3 4/5] x86, mem-hotplug: Support initialize page tables from low to high Tang Chen
2013-09-23 15:53 ` Tejun Heo
2013-09-23 16:46 ` Zhang Yanfei [this message]
2013-09-13 9:30 ` [PATCH v3 5/5] mem-hotplug: Introduce movablenode boot option to control memblock allocation direction Tang Chen
2013-09-23 15:57 ` Tejun Heo
2013-09-23 16:58 ` Zhang Yanfei
2013-09-23 17:11 ` Tejun Heo
2013-09-16 11:00 ` [PATCH v3 0/5] x86, memblock: Allocate memory near kernel image before SRAT parsed Zhang Yanfei
2013-09-19 16:57 ` Yanfei Zhang
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