sys/compat is gone. I don't know if PID_MAX can or should be increased, but I don't think the comment is now useful.
Index: sys/sys/proc.h =================================================================== RCS file: /cvs/src/sys/sys/proc.h,v retrieving revision 1.214 diff -u -p -r1.214 proc.h --- sys/sys/proc.h 4 Mar 2016 14:08:55 -0000 1.214 +++ sys/sys/proc.h 5 Mar 2016 16:05:06 -0000 @@ -409,7 +409,7 @@ struct uidinfo *uid_find(uid_t); /* * We use process IDs <= PID_MAX; PID_MAX + 1 must also fit in a pid_t, * as it is used to represent "no process group". - * We set PID_MAX to (SHRT_MAX - 1) so we don't break sys/compat. + * We set PID_MAX to (SHRT_MAX - 1) for historical reasons. */ #define PID_MAX 32766 #define NO_PID (PID_MAX+1) -- Michal Mazurek
