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Subject[PATCH][2/4] Add arch_register_node() for ia64

Name: numa_hp_ia64.patch
Status: Tested on 2.6.9-rc2
Signed-off-by: Keiichiro Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Description:
Add arch_register_node() to arch/ia64/kernel/topology.c. The
topology.c has been introduced by Anil (Intel).

Thanks,
Keiichiro Tokunaga
---
linux-2.6.9-rc2-fix-kei/arch/ia64/kernel/acpi.c | 1 +
linux-2.6.9-rc2-fix-kei/arch/ia64/kernel/topology.c | 18 +++++++++++++++---
linux-2.6.9-rc2-fix-kei/include/asm-ia64/numa.h | 3 ++-
3 files changed, 18 insertions(+), 4 deletions(-)
diff -puN arch/ia64/kernel/acpi.c~numa_hp_ia64 arch/ia64/kernel/acpi.c
--- linux-2.6.9-rc2-fix/arch/ia64/kernel/acpi.c~numa_hp_ia64 2004-09-24 00:14:56.062297005 +0900
+++ linux-2.6.9-rc2-fix-kei/arch/ia64/kernel/acpi.c 2004-09-24 00:14:56.069132982 +0900
@@ -362,6 +362,7 @@ int __devinitdata pxm_to_nid_map[MAX_PXM
int __initdata nid_to_pxm_map[MAX_NUMNODES];
static struct acpi_table_slit __initdata *slit_table;

+EXPORT_SYMBOL(pxm_to_nid_map);
/*
* ACPI 2.0 SLIT (System Locality Information Table)
* http://devresource.hp.com/devresource/Docs/TechPapers/IA64/slit.pdf
diff -puN arch/ia64/kernel/topology.c~numa_hp_ia64 arch/ia64/kernel/topology.c
--- linux-2.6.9-rc2-fix/arch/ia64/kernel/topology.c~numa_hp_ia64 2004-09-24 00:14:56.064250141 +0900
+++ linux-2.6.9-rc2-fix-kei/arch/ia64/kernel/topology.c 2004-09-24 00:14:56.070109550 +0900
@@ -21,8 +21,9 @@
#include <asm/mmzone.h>
#include <asm/numa.h>
#include <asm/cpu.h>
-
#ifdef CONFIG_NUMA
+#include <asm/numa.h>
+
static struct node *sysfs_nodes;
#endif
static struct ia64_cpu *sysfs_cpus;
@@ -37,6 +38,18 @@ int arch_register_cpu(int num)

return register_cpu(&sysfs_cpus[num].cpu, num, parent);
}
+#ifdef CONFIG_NUMA
+int arch_register_node(int num) {
+ return register_node(&sysfs_nodes[num],num,0);
+}
+int arch_unregister_node(int num) {
+ unregister_node(&sysfs_nodes[num],0);
+ return 0;
+}
+
+EXPORT_SYMBOL(arch_register_node);
+EXPORT_SYMBOL(arch_unregister_node);
+#endif /*CONFIG_NUMA*/

#ifdef CONFIG_HOTPLUG_CPU

@@ -69,7 +82,7 @@ static int __init topology_init(void)
memset(sysfs_nodes, 0, sizeof(struct node) * MAX_NUMNODES);

for (i = 0; i < numnodes; i++)
- if ((err = register_node(&sysfs_nodes[i], i, 0)))
+ if ((err = arch_register_node(i)))
goto out;
#endif

@@ -86,5 +99,4 @@ static int __init topology_init(void)
out:
return err;
}
-
__initcall(topology_init);
diff -puN include/asm-ia64/numa.h~numa_hp_ia64 include/asm-ia64/numa.h
--- linux-2.6.9-rc2-fix/include/asm-ia64/numa.h~numa_hp_ia64 2004-09-24 00:14:56.066203277 +0900
+++ linux-2.6.9-rc2-fix-kei/include/asm-ia64/numa.h 2004-09-24 00:14:56.070109550 +0900
@@ -65,8 +65,9 @@ extern int paddr_to_nid(unsigned long pa

#define local_nodeid (cpu_to_node_map[smp_processor_id()])

+extern int arch_register_node(int num);
+extern int arch_unregister_node(int num);
#else /* !CONFIG_NUMA */
-
#define paddr_to_nid(addr) 0

#endif /* CONFIG_NUMA */
_
-
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