> > 1) at system startup one huge block (16 kB per task slot, (8 kB stack +
> > 8 kB guard pages)) is vm_alloc'ed. The area must be 8 kB aligned.
>
> You can't vmalloc the stack without changing drivers that assume the stack
> is DMAable. Thats a 2.3.x thing but yes.
Which drivers? For machines without hardware cache coherence this is
plain a bug.
Ralf
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