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>

diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 650001a87c8f7bd433c7b0716c0c1280323182b2..bc6dd5051d603b0bce38a480764f28b232409317 100644 (file)
--- 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);
 }

diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index b367bc342fe06cf8e9b111cf413e773dfd43d426..bccbdc7be434c328677873b96e260d9c4c982cdd 100644 (file)
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -391,7 +391,7 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
 static int fake_node_to_pxm_map[MAX_NUMNODES] __initdata = {
        [0 ... MAX_NUMNODES-1] = PXM_INVAL
 };
-static unsigned char fake_apicid_to_node[MAX_LOCAL_APIC] __initdata = {
+static u16 fake_apicid_to_node[MAX_LOCAL_APIC] __initdata = {
        [0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE
 };
 static int __init find_node_by_addr(unsigned long addr)

diff --git a/include/asm-x86/numa_64.h b/include/asm-x86/numa_64.h
index 4449889bb0c0ee0687245f439bd7c372739e81f3..941889471b52bdfca544aa3f3a8a1c27e7fc2bb8 100644 (file)
--- a/include/asm-x86/numa_64.h
+++ b/include/asm-x86/numa_64.h
@@ -20,7 +20,7 @@ extern void numa_set_node(int cpu, int node);
 extern void srat_reserve_add_area(int nodeid);
 extern int hotadd_percent;
 
-extern unsigned char apicid_to_node[MAX_LOCAL_APIC];
+extern u16 apicid_to_node[MAX_LOCAL_APIC];
 
 extern void numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn);
 extern unsigned long numa_free_all_bootmem(void);
@@ -40,6 +40,6 @@ static inline void clear_node_cpumask(int cpu)
 #define clear_node_cpumask(cpu) do {} while (0)
 #endif
 
-#define NUMA_NO_NODE 0xff
+#define NUMA_NO_NODE 0xffff
 
 #endif

diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h
index 9c251604ecc4b9d90ebbd66b7ad8f66a5de516bf..f8706b2a3d888ec6239a7d9ed022f5af265eddcb 100644 (file)
--- a/include/asm-x86/topology.h
+++ b/include/asm-x86/topology.h
@@ -30,7 +30,7 @@
 #include <asm/mpspec.h>
 
 /* Mappings between logical cpu number and node number */
-extern int cpu_to_node_map[];
+extern u16 cpu_to_node_map[];
 extern cpumask_t node_to_cpumask_map[];
 
 /* Returns the number of the node containing CPU 'cpu' */