Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3cc87e3f4042a099fb649c5df33d3ccfae36173f
Commit:     3cc87e3f4042a099fb649c5df33d3ccfae36173f
Parent:     ef97001f3d869d7cc1956e0cc0d89e514e3f7db0
Author:     [EMAIL PROTECTED] <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:33:11 2008 +0100
Committer:  Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:33:11 2008 +0100

    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 <[EMAIL PROTECTED]>
    Reviewed-by: Christoph Lameter <[EMAIL PROTECTED]>
    Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
    Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
 arch/x86/mm/numa_64.c      |    9 ++++++---
 arch/x86/mm/srat_64.c      |    2 +-
 include/asm-x86/numa_64.h  |    4 ++--
 include/asm-x86/topology.h |    2 +-
 4 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 650001a..bc6dd50 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);
 }
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index b367bc3..bccbdc7 100644
--- 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 4449889..9418894 100644
--- 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 9c25160..f8706b2 100644
--- 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' */
-
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