Tejun Heo wrote: > * Is ai->reserved_size necessary for ia64? This is necessary if > there's linking range restriction when loading modules. > ai->reserved_size guarantees that all static module percpu variables > are allocated in the first chunk which will be in the linear address > range and very close to __per_cpu_start. If ai->reserved_size is > not set, these areas are likely to end up high in the vmalloc area. > > For example, x86_64 assumes 32bit relocations should be enough to > link module symbols and thus needs to set reserved_size but x86_32 > can link to the whole 32bit space and thus can leave reserved_size > at zero. > > * After determining the above, we can set ai->dyn_size to be > > ai->dyn_size = min(ai->unit_size - ai->static_size - ai->reserved_size, > PERCPU_DYNAMIC_RESERVE); > > Would the above work? > >> Even with the above PAGE_SIZE changes, the kernel still reports >> warning from 952: WARN_ON(chunk->immutable) and then panic. > > Hah... strange. Can you please attach full boot log? This is > dicontig configuration, right? Any news? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
