Re: [PATCH v2] x86/apic: Use smaller array for __apicid_to_node[] mapping

[Thomas Gleixner]

On Fri, 9 Oct 2015, Jiang Liu wrote:
> On 2015/10/9 22:15, Thomas Gleixner wrote:
> > On Mon, 5 Oct 2015, Daniel J Blueman wrote:
> >> +struct apicid_to_node {
> >> +	int apicid;
> >> +	s16 node;
> >> +};
> > 
> > Instead of having this array, why don't you use a radix tree and be
> > done with it?
> Hi Thomas,
> 	It's in early booting stage and memory allocator isn't ready
> yet.

Why do we need that information so early?

Thanks,

	tglx


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