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

From: Thomas Gleixner
Date: Fri Oct 09 2015 - 16:41:12 EST


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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