On 7/31/19 10:15 AM, Mike Rapoport wrote: > On Wed, Jul 31, 2019 at 04:41:14PM +0200, Michal Hocko wrote: >> On Wed 31-07-19 17:21:29, Mike Rapoport wrote: >>> On Wed, Jul 31, 2019 at 03:00:37PM +0200, Michal Hocko wrote: >>>> >>>> I am sorry, but I still do not follow. Who is consuming that node id >>>> information when NUMA=n. In other words why cannot we simply do >>> >>> We can, I think nobody cared to change it. >> >> It would be great if somebody with the actual HW could try it out. >> I can throw a patch but I do not even have a cross compiler in my >> toolbox. > > Well, it compiles :) Adding Michal Simek <monstr@xxxxxxxxx>. It's not clear that the MICROBLAZE maintainer is still supporting MICROBLAZE. >>>> diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c >>>> index a015a951c8b7..3a47e8db8d1c 100644 >>>> --- a/arch/microblaze/mm/init.c >>>> +++ b/arch/microblaze/mm/init.c >>>> @@ -175,14 +175,9 @@ void __init setup_memory(void) >>>> >>>> start_pfn = memblock_region_memory_base_pfn(reg); >>>> end_pfn = memblock_region_memory_end_pfn(reg); >>>> - memblock_set_node(start_pfn << PAGE_SHIFT, >>>> - (end_pfn - start_pfn) << PAGE_SHIFT, >>>> - &memblock.memory, 0); >>>> + memory_present(0, start_pfn << PAGE_SHIFT, end_pfn << PAGE_SHIFT); >>> >>> memory_present() expects pfns, the shift is not needed. >> >> Right. >> >> -- >> Michal Hocko >> SUSE Labs -- ~Randy