Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK

[Christoph Lameter]

On Sat, 29 Sep 2007, Peter Zijlstra wrote:

> 
> On Fri, 2007-09-28 at 11:20 -0700, Christoph Lameter wrote:
> 
> > Really? That means we can no longer even allocate stacks for forking.
> 
> I think I'm running with 4k stacks...

4k stacks will never fly on an SGI x86_64 NUMA configuration given the 
additional data that may be kept on the stack. We are currently 
considering to go from 8k to 16k (or even 32k) to make things work. So 
having the ability to put the stacks in vmalloc space may be something to 
look at.

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