Re: [PATCH RFC 0/5] uprobes: kill xol vma

[Peter Zijlstra]

On Wed, 2011-11-30 at 17:15 +0100, Andi Kleen wrote:
> >  static unsigned char
> > -uprobe_xol_slots[UPROBES_XOL_SLOT_BYTES][NR_CPUS] __page_aligned_bss;
> > +uprobe_xol_slots[NR_CPUS][UPROBES_XOL_SLOT_BYTES] __page_aligned_bss;
> 
> NR_CPUS arrays are basically always wrong.
> 
> Use per cpu data.

Doesn't really work here, you'd know if you'd read the patches. What we
could do though is do a UPROBES_XOL_SLOT_BYTES * nr_cpu_ids bootmem
allocation or so.
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