tracing, kmemtrace: Separate include/trace/kmemtrace.h to kmemtrace part and tracepoi...

tracing, kmemtrace: Separate include/trace/kmemtrace.h to kmemtrace part and tracepoint part

Impact: refactor code for future changes

Current kmemtrace.h is used both as header file of kmemtrace and kmem's
tracepoints definition.

Tracepoints' definition file may be used by other code, and should only have
definition of tracepoint.

We can separate include/trace/kmemtrace.h into 2 files:

  include/linux/kmemtrace.h: header file for kmemtrace
  include/trace/kmem.h:      definition of kmem tracepoints

Signed-off-by: Zhao Lei <[email protected]>
Acked-by: Eduard - Gabriel Munteanu <[email protected]>
Acked-by: Pekka Enberg <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Tom Zanussi <[email protected]>
LKML-Reference: <49DEE68A.5040902@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <[email protected]>