Update from upstream with manual merge of Yasunori Goto's

changes to swiotlb.c made in commit 281dd25cdc0d6903929b79183816d151ea626341
since this file has been moved from arch/ia64/lib/swiotlb.c to
lib/swiotlb.c

Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 3 insertions, 7 deletions

diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c
index 80a49d9bd8a7..214803821001 100644
--- a/arch/x86_64/mm/numa.c
+++ b/arch/x86_64/mm/numa.c
@@ -167,18 +167,16 @@ void __init numa_init_array(void)
            mapping. To avoid this fill in the mapping for all possible
            CPUs, as the number of CPUs is not known yet. 
            We round robin the existing nodes. */
-        rr = 0;
+        rr = first_node(node_online_map);
         for (i = 0; i < NR_CPUS; i++) {
                 if (cpu_to_node[i] != NUMA_NO_NODE)
                         continue;
+                cpu_to_node[i] = rr;
                 rr = next_node(rr, node_online_map);
                 if (rr == MAX_NUMNODES)
                         rr = first_node(node_online_map);
-                cpu_to_node[i] = rr;
-                rr++; 
         }
 
-        set_bit(0, &node_to_cpumask[cpu_to_node(0)]);
 }
 
 #ifdef CONFIG_NUMA_EMU
@@ -266,9 +264,7 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
 
 __cpuinit void numa_add_cpu(int cpu)
 {
-        /* BP is initialized elsewhere */
-        if (cpu) 
-                set_bit(cpu, &node_to_cpumask[cpu_to_node(cpu)]);
+        set_bit(cpu, &node_to_cpumask[cpu_to_node(cpu)]);
 } 
 
 unsigned long __init numa_free_all_bootmem(void)