On Sun, Jun 6, 2021 at 10:39 PM Christoph Hellwig <hch at lst.de> wrote: > > NAK, no SOC must ever mess with pagetable attributes. I don't think it messes with page table attributes. _PAGE_BASE contains variable won't cause any problem. -- Best Regards Guo Ren ML: https://lore.kernel.org/linux-csky/