On Fri 17-03-23 16:32:29, Andrew Morton wrote: > On Sat, 18 Mar 2023 06:22:40 +0800 kernel test robot <lkp@xxxxxxxxx> wrote: > > > mm/memcontrol.c: In function 'drain_all_stock': > > >> mm/memcontrol.c:2369:35: error: implicit declaration of function 'cpu_is_isolated' [-Werror=implicit-function-declaration] > > 2369 | else if (!cpu_is_isolated(cpu)) > > | ^~~~~~~~~~~~~~~ > > Thanks. > > --- a/mm/memcontrol.c~memcg-do-not-drain-charge-pcp-caches-on-remote-isolated-cpus-fix > +++ a/mm/memcontrol.c > @@ -63,6 +63,7 @@ > #include <linux/resume_user_mode.h> > #include <linux/psi.h> > #include <linux/seq_buf.h> > +#include <linux/sched/isolation.h> > #include "internal.h" > #include <net/sock.h> > #include <net/ip.h> Thanks a lot Andrew! > _ -- Michal Hocko SUSE Labs