diff --git a/mm/slab.c b/mm/slab.c
index 3505639..96d30ee 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -4344,7 +4344,7 @@
 {
 #ifdef CONFIG_KALLSYMS
 	unsigned long offset, size;
-	char modname[MODULE_NAME_LEN + 1], name[KSYM_NAME_LEN + 1];
+	char modname[MODULE_NAME_LEN], name[KSYM_NAME_LEN];
 
 	if (lookup_symbol_attrs(address, &size, &offset, modname, name) == 0) {
 		seq_printf(m, "%s+%#lx/%#lx", name, offset, size);