tracing: allow filter predicates to handle ksym symbols

This patch increases the max string used by predicates to
handle KSYM_SYMBOL_LEN.

Also moves an include to look nicer.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

include/linux/ftrace_event.h

 #ifndef _LINUX_FTRACE_EVENT_H
 #define _LINUX_FTRACE_EVENT_H
 
-#include <linux/trace_seq.h>
 #include <linux/ring_buffer.h>
+#include <linux/trace_seq.h>
 #include <linux/percpu.h>
 
 struct trace_array;
@@ -135,7 +135,7 @@ struct ftrace_event_call {
 };
 
 #define MAX_FILTER_PRED		32
-#define MAX_FILTER_STR_VAL	128
+#define MAX_FILTER_STR_VAL	256	/* Should handle KSYM_SYMBOL_LEN */
 
 extern void destroy_preds(struct ftrace_event_call *call);
 extern int filter_match_preds(struct ftrace_event_call *call, void *rec);