diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 912689b00e2e78b681708fe7d47214380d4dfa28..fbd7a1b85354894bfa1e9e7cbc238eef1cc87a9e 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -475,6 +475,12 @@
 	ccw_timeout_log	[S390]
 			See Documentation/s390/CommonIO for details.
 
+	cdm-nodes=      [KNL]
+			Format: hexadecimal expression
+			One bit express one node, if the node is HBM, set the
+			bit to 1. Then transform Binary to hexadecimal.
+			Example: node1, node2 is HBM, cdm-nodes=0x06.
+
 	cgroup_disable=	[KNL] Disable a particular controller
 			Format: {name of the controller(s) to disable}
 			The effects of cgroup_disable=foo are:
diff --git a/arch/arm64/include/asm/numa.h b/arch/arm64/include/asm/numa.h
index 626ad01e83bf01a947c2bd9e087c2501338a4bec..dd80f3b958d50d155d1e53838780f61ff44b4424 100644
--- a/arch/arm64/include/asm/numa.h
+++ b/arch/arm64/include/asm/numa.h
@@ -19,6 +19,9 @@ extern bool numa_off;
 extern cpumask_var_t node_to_cpumask_map[MAX_NUMNODES];
 void numa_clear_node(unsigned int cpu);
 
+#ifdef CONFIG_COHERENT_DEVICE
+extern nodemask_t cdmmask;
+#endif
 #ifdef CONFIG_DEBUG_PER_CPU_MAPS
 const struct cpumask *cpumask_of_node(int node);
 #else
diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index 2156f71a4745b37bb1fb1e621b7941bd930c0e9f..ff8d0c8718271c9c559b718e481966a5ee51d1db 100644
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -38,10 +38,30 @@ static u8 *numa_distance;
 bool numa_off;
 
 #ifdef CONFIG_COHERENT_DEVICE
+nodemask_t cdmmask;
+
 inline int arch_check_node_cdm(int nid)
 {
+	return node_isset(nid, cdmmask);
+}
+
+static int __init cdm_nodes_setup(char *s)
+{
+	int nid;
+	unsigned long tmpmask;
+	int err;
+
+	err = kstrtoul(s, 0, &tmpmask);
+	if (err)
+		return err;
+
+	for (nid = 0; nid < MAX_NUMNODES; nid++) {
+		if ((tmpmask >> nid) & 1)
+			node_set(nid, cdmmask);
+	}
 	return 0;
 }
+early_param("cdm-nodes", cdm_nodes_setup);
 #endif
 
 static __init int numa_parse_early_param(char *opt)