ftrace: cleanups
factor out code and clean it up.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 88edbf1..cc1d34b 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -53,12 +53,12 @@
* the trace, etc.)
*/
struct trace_array_cpu {
- void *trace;
void *trace_current;
- unsigned trace_current_idx;
struct list_head trace_pages;
- unsigned long trace_idx;
atomic_t disabled;
+ /* these fields get copied into max-trace: */
+ unsigned trace_current_idx;
+ unsigned long trace_idx;
unsigned long saved_latency;
unsigned long critical_start;
unsigned long critical_end;
@@ -216,4 +216,6 @@
#endif
#endif /* CONFIG_FTRACE_STARTUP_TEST */
+extern void *head_page(struct trace_array_cpu *data);
+
#endif /* _LINUX_KERNEL_TRACE_H */