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-rw-r--r--kernel/debug/kdb/kdb_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 38a85428c70f..6bc6e3bc4f9c 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/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);