1 files changed, 18 insertions, 4 deletions

diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c
index c55936bc6be6..0ae2d9d5d7ea 100644
--- a/arch/x86_64/mm/numa.c
+++ b/arch/x86_64/mm/numa.c
@@ -418,11 +418,25 @@ static int __init numa_emulation(unsigned long start_pfn, unsigned long end_pfn)
 done:
         if (!num_nodes)
                 return -1;
-        /* Fill remainder of system RAM with a final node, if appropriate. */
+        /* Fill remainder of system RAM, if appropriate. */
         if (addr < max_addr) {
-                setup_node_range(num_nodes, nodes, &addr, max_addr - addr,
-                                 max_addr);
-                num_nodes++;
+                switch (*(cmdline - 1)) {
+                case '*':
+                        /* Split remaining nodes into coeff chunks */
+                        if (coeff <= 0)
+                                break;
+                        num_nodes += split_nodes_equally(nodes, &addr, max_addr,
+                                                         num_nodes, coeff);
+                        break;
+                case ',':
+                        /* Do not allocate remaining system RAM */
+                        break;
+                default:
+                        /* Give one final node */
+                        setup_node_range(num_nodes, nodes, &addr,
+                                         max_addr - addr, max_addr);
+                        num_nodes++;
+                }
         }
 out:
         memnode_shift = compute_hash_shift(nodes, num_nodes);