--- a/include/linux/mm.h~mm-return-true-in-cpupid_pid_unset +++ a/include/linux/mm.h @@ -1373,7 +1373,7 @@ static inline int cpu_pid_to_cpupid(int static inline bool cpupid_pid_unset(int cpupid) { - return 1; + return true; } static inline void page_cpupid_reset_last(struct page *page)