---

yaml
---
r: 201066
b: refs/heads/master
c: 9aebbdb
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5528e229f0f709e4f3d61dab73e553eea10758a9
+refs/heads/master: 9aebbdb637a73a6092e1456ebb4a2df32cc1f611

trunk/arch/x86/kernel/setup_percpu.c

@@ -238,6 +238,15 @@ void __init setup_per_cpu_areas(void)
 #ifdef CONFIG_NUMA
 		per_cpu(x86_cpu_to_node_map, cpu) =
 			early_per_cpu_map(x86_cpu_to_node_map, cpu);
+		/*
+		 * Ensure taht the boot cpu numa_node is correct when the boot
+		 * cpu is on a node that doesn't have memory installed.
+		 * Also cpu_up() will call cpu_to_node() for APs when
+		 * MEMORY_HOTPLUG is defined, before per_cpu(numa_node) is set
+		 * up later with c_init aka intel_init/amd_init.
+		 * So set them all (boot cpu and all APs).
+		 */
+		set_cpu_numa_node(cpu, early_cpu_to_node(cpu));
 #endif
 #endif
 		/*
@@ -257,14 +266,6 @@ void __init setup_per_cpu_areas(void)
 	early_per_cpu_ptr(x86_cpu_to_node_map) = NULL;
 #endif
 
-#if defined(CONFIG_X86_64) && defined(CONFIG_NUMA)
-	/*
-	 * make sure boot cpu numa_node is right, when boot cpu is on the
-	 * node that doesn't have mem installed
-	 */
-	set_cpu_numa_node(boot_cpu_id, early_cpu_to_node(boot_cpu_id));
-#endif
-
 	/* Setup node to cpumask map */
 	setup_node_to_cpumask_map();