diff --git a/[refs] b/[refs]
index 857ab1537d96..d8dfe5133c3d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 21431c2900a0b669080b5bfaae2a7d9d9c026e9b
+refs/heads/master: 0d3db28daed2529ab90933a3aaaaf46446fdfda8
diff --git a/trunk/kernel/debug/kdb/kdb_main.c b/trunk/kernel/debug/kdb/kdb_main.c
index 38a85428c70f..6bc6e3bc4f9c 100644
--- a/trunk/kernel/debug/kdb/kdb_main.c
+++ b/trunk/kernel/debug/kdb/kdb_main.c
@@ -2892,7 +2892,7 @@ static void __init kdb_inittab(void)
 	  "Send a signal to a process", 0, KDB_REPEAT_NONE);
 	kdb_register_repeat("summary", kdb_summary, "",
 	  "Summarize the system", 4, KDB_REPEAT_NONE);
-	kdb_register_repeat("per_cpu", kdb_per_cpu, "",
+	kdb_register_repeat("per_cpu", kdb_per_cpu, "<sym> [<bytes>] [<cpu>]",
 	  "Display per_cpu variables", 3, KDB_REPEAT_NONE);
 	kdb_register_repeat("grephelp", kdb_grep_help, "",
 	  "Display help on | grep", 0, KDB_REPEAT_NONE);