On Sat, 23 Nov 2019, Pengfei Li wrote: > I'm not sure if I understand what you mean, but since commit > c9bff3eebc09 ("mm, page_alloc: rip out ZONELIST_ORDER_ZONE"), the > zonelist is always in "Node" order, so building the nodelist is fine. Sounds good. Just wonder how the allocations that are constrained to certain physical addresses (16M via DMA and 4G via DMA32) will work in that case.