On Wed 05-09-18 14:13:34, Alexander Duyck wrote: [...] just a nit > @@ -1231,7 +1231,8 @@ void __meminit reserve_bootmem_region(phys_addr_t start, phys_addr_t end) > /* Avoid false-positive PageTail() */ > INIT_LIST_HEAD(&page->lru); > > - SetPageReserved(page); > + /* no need for atomic set_bit at init time */ > + __SetPageReserved(page); OK but I guess it would be much more clear to say /* * no need for atomic set_bit because the struct * page is not visible yet so nobody should * access it yet. */ > } > } > } -- Michal Hocko SUSE Labs