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. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev