---

yaml
---
r: 53795
b: refs/heads/master
c: 14694d7
h: refs/heads/master
i:
  53793: 6c9c943
  53791: a8b8a23
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8b8ca80e192b10eecc01fc44a2902510af86f73b
+refs/heads/master: 14694d736bb66d0ec250d05c81c6e98a19c229c6

trunk/Documentation/x86_64/boot-options.txt

@@ -155,7 +155,9 @@ NUMA
 		depending on the sizes and coefficients listed.  For example:
 			numa=fake=2*512,1024,4*256
 		gives two 512M nodes, a 1024M node, and four 256M nodes.  The
-		remaining system RAM is allocated to an additional node.
+		remaining system RAM is allocated to an additional node.  If
+		the last character of CMDLINE is a *, the remaining system RAM
+		is instead divided up equally among its coefficient.
 
   numa=hotadd=percent
 		Only allow hotadd memory to preallocate page structures upto

trunk/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);