1 files changed, 21 insertions, 8 deletions

diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index 9d7ce96e5a5c..d89075489664 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -290,8 +290,6 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 
         printk(KERN_INFO "SRAT: Node %u PXM %u %lx-%lx\n", node, pxm,
                start, end);
-        e820_register_active_regions(node, start >> PAGE_SHIFT,
-                                     end >> PAGE_SHIFT);
 
         if (ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) {
                 update_nodes_add(node, start, end);
@@ -338,6 +336,19 @@ static int __init nodes_cover_memory(const struct bootnode *nodes)
 
 void __init acpi_numa_arch_fixup(void) {}
 
+int __init acpi_get_nodes(struct bootnode *physnodes)
+{
+        int i;
+        int ret = 0;
+
+        for_each_node_mask(i, nodes_parsed) {
+                physnodes[ret].start = nodes[i].start;
+                physnodes[ret].end = nodes[i].end;
+                ret++;
+        }
+        return ret;
+}
+
 /* Use the information discovered above to actually set up the nodes. */
 int __init acpi_scan_nodes(unsigned long start, unsigned long end)
 {
@@ -350,11 +361,6 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
         for (i = 0; i < MAX_NUMNODES; i++)
                 cutoff_node(i, start, end);
 
-        if (!nodes_cover_memory(nodes)) {
-                bad_srat();
-                return -1;
-        }
-
         memnode_shift = compute_hash_shift(node_memblk_range, num_node_memblks,
                                            memblk_nodeid);
         if (memnode_shift < 0) {
@@ -364,6 +370,14 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
                 return -1;
         }
 
+        for_each_node_mask(i, nodes_parsed)
+                e820_register_active_regions(i, nodes[i].start >> PAGE_SHIFT,
+                                                nodes[i].end >> PAGE_SHIFT);
+        if (!nodes_cover_memory(nodes)) {
+                bad_srat();
+                return -1;
+        }
+
         /* Account for nodes with cpus and no memory */
         nodes_or(node_possible_map, nodes_parsed, cpu_nodes_parsed);
 
@@ -454,7 +468,6 @@ void __init acpi_fake_nodes(const struct bootnode *fake_nodes, int num_nodes)
         for (i = 0; i < num_nodes; i++)
                 if (fake_nodes[i].start != fake_nodes[i].end)
                         node_set(i, nodes_parsed);
-        WARN_ON(!nodes_cover_memory(fake_nodes));
 }
 
 static int null_slit_node_compare(int a, int b)