Re: [patch 01/28] cpu alloc: The allocator

[Christoph Lameter]

On Tue, 13 Nov 2007, David Miller wrote:

> From: Christoph Lameter <clameter@xxxxxxx>
> Date: Tue, 13 Nov 2007 17:57:15 -0800 (PST)
> 
> > Hmmmm. cpu_alloc really does not need zeroed data. Just an address
> > fixed by the compiler where stuff can be put. Can the loader do that
> > somehow?
> 
> Yes, and I think IA64 uses such a scheme for it's 64KB fixed
> per-cpu TLB mapping thing doesn't it?

The per cpu TLB mapping is virtually mapped. The real memory allocation 
behind it occurs dynamically from bootmem.

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