[PATCH] nptl: Don't madvise user provided stack

[Florian Weimer]

* Szabolcs Nagy:

> +  if (!pd->user_stack)
> +    advise_stack_range (pd->stackblock, pd->stackblock_size, (uintptr_t) pd,
> +			pd->guardsize);

Could we still use MADV_FREE?

But the patch as-is looks fine to me.

Thanks,
Florian