Re: [PATCH v3 4/5] x86, mem-hotplug: Support initialize page tablesfrom low to high.
From: Zhang Yanfei
Date: Mon Sep 23 2013 - 12:46:40 EST
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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