tracing: Increase tracing map KEYS_MAX size

The current default for the number of subkeys in a compound key is 2,
which is too restrictive.  Increase it to a more realistic value of 3.

Link: http://lkml.kernel.org/r/b6952cca06d1f912eba33804a6fd6069b3847d44.1506105045.git.tom.zanussi@linux.intel.com
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

diff --git a/kernel/trace/tracing_map.h b/kernel/trace/tracing_map.h
index 618838f5f30acaa3c4ab78c7b19329128e1b56b7..f0975110b967bad347fd726d9bde664d7df451a3 100644 (file)
--- a/kernel/trace/tracing_map.h
+++ b/kernel/trace/tracing_map.h
@@ -5,7 +5,7 @@
 #define TRACING_MAP_BITS_MAX           17
 #define TRACING_MAP_BITS_MIN           7
 
-#define TRACING_MAP_KEYS_MAX           2
+#define TRACING_MAP_KEYS_MAX           3
 #define TRACING_MAP_VALS_MAX           3
 #define TRACING_MAP_FIELDS_MAX         (TRACING_MAP_KEYS_MAX + \
                                         TRACING_MAP_VALS_MAX)