Re: [PATCH 0/8] x86, acpi: Move acpi_initrd_override() earlier.

[Toshi Kani]

Hello Zhang,

On Sat, 2013-08-24 at 00:54 +0800, Zhang Yanfei wrote:
> > Tang, what do you think?  Are you OK to try Tejun's suggestion as well? 
> > 
> 
> By saying TJ's suggestion, you mean, we will let memblock to control the
> behaviour, that said, we will do early allocations near the kernel image
> range before we get the SRAT info?

Right.

> If so, yeah, we have been working on this direction. 

Great!

> By doing this, we may
> have two main changes:
> 
> 1. change some of memblock's APIs to make it have the ability to allocate
>    memory from low address.
> 2. setup kernel page table down-top. Concretely, we first map the memory
>    just after the kernel image to the top, then, we map 0 - kernel image end.
> 
> Do you guys think this is reasonable and acceptable?

Have you also looked at Yinghai's comments below?

http://www.spinics.net/lists/linux-mm/msg61362.html

Thanks,
-Toshi

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