Re: 2.2.13pre14 lockup caused by do_check_pgt_cache()

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 29 Sep 1999 15:54:57 +0100 (BST)


> It looks safe providing nobody is ever touching it without holding the
> right locks. One person fiddling with them out of the locks and its going
> to get the cache_size wrong over time and then boom.. exit stage left
>
> The cache sizes are per-cpu on SMP, there are no locks, it was
> designed this way on purpose.

Ok thats a trick I missed. So its just irq races that can occur

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