On 10/01/2014 12:18 PM, Linus Torvalds wrote: > Seriously, why can't we just do this, and throw away all the crap that > is "numa special case". This would make all the random games in > change_pte_range() just go away entirely, because the whole NUMA thing > really wouldn't be a special case for the pte AT ALL any more. All it > would be is that a pte could be marked PROT_NONE even if the > vma->vm_flags aren't.
That's what I suggested quite a while back, but IIRC either Peter or Mel brought up a reason why this was not possible. Unfortunately I do not remember what it was, just that I was convinced by it at the time... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/