x86: change size of node ids from u8 to u16

Change the size of node ids from 8 bits to 16 bits to
accomodate more than 256 nodes.

Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 6 insertions, 3 deletions

diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 650001a87c8f..bc6dd5051d60 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -11,6 +11,7 @@
 #include <linux/ctype.h>
 #include <linux/module.h>
 #include <linux/nodemask.h>
+#include <linux/sched.h>
 
 #include <asm/e820.h>
 #include <asm/proto.h>
@@ -30,12 +31,12 @@ bootmem_data_t plat_node_bdata[MAX_NUMNODES];
 
 struct memnode memnode;
 
-int cpu_to_node_map[NR_CPUS] __read_mostly = {
+u16 cpu_to_node_map[NR_CPUS] __read_mostly = {
         [0 ... NR_CPUS-1] = NUMA_NO_NODE
 };
 EXPORT_SYMBOL(cpu_to_node_map);
 
-unsigned char apicid_to_node[MAX_LOCAL_APIC] __cpuinitdata = {
+u16 apicid_to_node[MAX_LOCAL_APIC] __cpuinitdata = {
         [0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE
 };
 
@@ -543,7 +544,9 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
         node_set(0, node_possible_map);
         for (i = 0; i < NR_CPUS; i++)
                 numa_set_node(i, 0);
-        node_to_cpumask_map[0] = cpumask_of_cpu(0);
+        /* we can't use cpumask_of_cpu() yet */
+        memset(&node_to_cpumask_map[0], 0, sizeof(node_to_cpumask_map[0]));
+        cpu_set(0, node_to_cpumask_map[0]);
         e820_register_active_regions(0, start_pfn, end_pfn);
         setup_node_bootmem(0, start_pfn << PAGE_SHIFT, end_pfn << PAGE_SHIFT);
 }