Re: [PATCH 14/21] x86, acpi, numa: Reserve hotpluggable memory atearly time.

[Tejun Heo]

On Fri, Jul 26, 2013 at 11:45:36AM +0800, Tang Chen wrote:
> I just don't want to any new variables to store the hotpluggable regions.
> But without a new shared variable, it seems difficult to achieve the goal
> you said below.

Why can't it be done with the .flags field that was added anyway?

> So how about this.
> 1. Introduce a new global list used to store hotpluggable regions.
> 2. On acpi side, find and fulfill the list.
> 3. On memblock side, make the default allocation function stay away from
>    these regions.

I was thinking more along the line of

1. Mark hotpluggable regions with a flag in memblock.
2. On ACPI side, find and mark hotpluggable regions.
3. Make memblock avoid giving out hotpluggable regions for normal
   allocations.

Thanks.

-- 
tejun
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