On Tue, Jan 21, 2020 at 07:19:22PM -0800, Randy Dunlap wrote: > On 1/21/20 1:29 PM, akpm@xxxxxxxxxxxxxxxxxxxx wrote: > > The mm-of-the-moment snapshot 2020-01-21-13-28 has been uploaded to > > > > http://www.ozlabs.org/~akpm/mmotm/ > > > > mmotm-readme.txt says > > > > README for mm-of-the-moment: > > > > http://www.ozlabs.org/~akpm/mmotm/ > > > > This is a snapshot of my -mm patch queue. Uploaded at random hopefully > > more than once a week. > > and when CONFIG_PROC_FS is not set/enabled, kernel/sched/psi.c gets: > > ../kernel/sched/psi.c: In function ‘psi_proc_init’: > ../kernel/sched/psi.c:1287:56: error: macro "proc_create" requires 4 arguments, but only 3 given > proc_create("pressure/cpu", 0, NULL &psi_cpu_proc_ops); Thanks, Randy. I've checked current mmotm, it looks like no more "NUL"s exist.