On Wed, Apr 29, 2020 at 10:07:31AM -0400, Steven Rostedt wrote: > Talking with Mathieu about this on IRC, he pointed out that my code does > have a vzalloc() that is called: > > in trace_pid_write() > > pid_list->pids = vzalloc((pid_list->pid_max + 7) >> 3); > > This is done when -P1,2 is on the trace-cmd command line.
Yeah, I was guessing something like this, init_mm has a mapping which
poking_mm has not. I currently try to reproduce this on one of my
machines.
Regards,
Joerg
