[PATCH 3/3] ftrace: add ability to only trace swapper tasks

[Wang Liming]

Steven Rostedt wrote:
 > /* set when tracing only a pid */
 > struct pid *ftrace_pid_trace;
 >+static struct pid * const ftrace_swapper_pid = (struct pid *)1;

swapper pid is 1? not 0?


Liming Wang