On Thu, 2008-04-24 at 00:37 -0500, Kumar Gala wrote:
> + /*
> + * interrupt stacks must be under 256MB, we cannot afford to
> take
> + * SLB misses on them.
> + */
> + for_each_possible_cpu(i) {
> + softirq_ctx[i] = (struct thread_info *)
> + __va(lmb_alloc_base(THREAD_SIZE,
> + THREAD_SIZE, 0x10000000));
> + hardirq_ctx[i] = (struct thread_info *)
> + __va(lmb_alloc_base(THREAD_SIZE,
> + THREAD_SIZE, 0x10000000));
> + }
> +
The comment is a bit bogus :-) (about SLB misses). lowmem is your limit
I think. Also, why not share the code with ppc64 ?
Ben.
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