1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mm/numa.c b/arch/arm/mm/numa.c
new file mode 100644
index 000000000000..51411349ea28
--- /dev/null
+++ b/arch/arm/mm/numa.c
@@ -0,0 +1,50 @@
+/*
+ * Discontiguous memory and NUMA support, based on the PowerPC implementation.
+ *
+ * Copyright (C) 2012 ARM Limited
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <linux/export.h>
+#include <linux/nodemask.h>
+#include <linux/bootmem.h>
+#include <linux/mm.h>
+#include <linux/mmzone.h>
+#include <linux/node.h>
+#include <linux/cpu.h>
+#include <linux/memblock.h>
+
+#include <asm/string.h>
+#include <asm/mmzone.h>
+#include <asm/setup.h>
+
+struct pglist_data *node_data[MAX_NUMNODES];
+EXPORT_SYMBOL(node_data);
+
+static unsigned int numa_node_count = 1;
+
+void __init arm_numa_alloc_nodes(unsigned long max_low)
+{
+	int node;
+
+	for (node = 0; node < numa_node_count; node++) {
+		phys_addr_t pa = memblock_alloc_base(sizeof(pg_data_t),
+				L1_CACHE_BYTES, __pfn_to_phys(max_low));
+
+		NODE_DATA(node) = __va(pa);
+		memset(NODE_DATA(node), 0, sizeof(pg_data_t));
+		NODE_DATA(node)->bdata = &bootmem_node_data[node];
+	}
+}