On Tue, 19 May 2020 11:22:49 +0800 maobibo <maobibo@xxxxxxxxxxx> wrote: > how about adding pte_sw_mkyoung alike function which is a noop on all but mips? > this function is used to set PAGE_ACCESS bit and PAGE_VALID bit on mips platform. Sounds good. Please ensure that the interface (roles and responsibilities, etc) is well documented in code comments.