On Wed, 30 Oct 2024 13:29:33 +0800 Yun Zhou <yun.zhou@xxxxxxxxxxxxx> wrote: > diff --git a/kernel/trace/pid_list.c b/kernel/trace/pid_list.c > index 4966e6bbdf6f..c62b9b3cfb3d 100644 > --- a/kernel/trace/pid_list.c > +++ b/kernel/trace/pid_list.c > @@ -414,7 +414,7 @@ struct trace_pid_list *trace_pid_list_alloc(void) > int i; > > /* According to linux/thread.h, pids can be no bigger that 30 bits */ > - WARN_ON_ONCE(pid_max > (1 << 30)); > + WARN_ON_ONCE(init_pid_ns.pid_max > (1 << 30)); > > pid_list = kzalloc(sizeof(*pid_list), GFP_KERNEL); > if (!pid_list) > diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h > index c866991b9c78..e51851d64e4d 100644 > --- a/kernel/trace/trace.h > +++ b/kernel/trace/trace.h > @@ -715,8 +715,6 @@ extern unsigned long tracing_thresh; > > /* PID filtering */ > > -extern int pid_max; > - > bool trace_find_filtered_pid(struct trace_pid_list *filtered_pids, > pid_t search_pid); > bool trace_ignore_this_task(struct trace_pid_list *filtered_pids, > diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c > index 8a407adb0e1c..c20c80abe065 100644 > --- a/kernel/trace/trace_sched_switch.c > +++ b/kernel/trace/trace_sched_switch.c > @@ -442,7 +442,7 @@ int trace_alloc_tgid_map(void) > if (tgid_map) > return 0; > > - tgid_map_max = pid_max; > + tgid_map_max = init_pid_ns.pid_max; > map = kvcalloc(tgid_map_max + 1, sizeof(*tgid_map), > GFP_KERNEL); > if (!map) Acked-by: Steven Rostedt (Google) <rostedt@goodmis>org> -- Steve
