diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 025e1ae..7d3a2e0 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -366,6 +366,13 @@
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
+	{
+		.procname	= "numa_balancing_scan_size_mb",
+		.data		= &sysctl_numa_balancing_scan_size,
+		.maxlen		= sizeof(unsigned int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
 #endif /* CONFIG_NUMA_BALANCING */
 #endif /* CONFIG_SCHED_DEBUG */
 	{