tracing/filter: Remove field_name from filter_pred struct
The field_name was used just for finding event's fields. This way we
don't need to care about field_name allocation/free.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1313072754-4620-4-git-send-email-jolsa@redhat.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 616846b..2eb3cf6 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -761,16 +761,7 @@
filter_pred_fn_t fn;
u64 val;
struct regex regex;
- /*
- * Leaf nodes use field_name, ops is used by AND and OR
- * nodes. The field_name is always freed when freeing a pred.
- * We can overload field_name for ops and have it freed
- * as well.
- */
- union {
- char *field_name;
- unsigned short *ops;
- };
+ unsigned short *ops;
int offset;
int not;
int op;