Messages in this thread Patch in this message | | | Date | Fri, 17 Feb 2006 22:29:12 +0900 | From | Yasunori Goto <> | Subject | [PATCH: 006/012] Memory hotplug for new nodes v.2.(create sysfs for node (ia64)) |
| |
'register_node()' is to create sysfs file for node. This is to add arch specific functions 'arch_register_node()' and 'arch_unregister_node()' to IA64 to call the generic function 'register_node()' and 'unregister_node()' respectively.
Signed-off-by: Keiichiro Tokunaga <tokuanga.keiich@jp.fujitsu.com> Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Index: pgdat3/arch/ia64/kernel/topology.c =================================================================== --- pgdat3.orig/arch/ia64/kernel/topology.c 2006-02-17 15:58:03.000000000 +0900 +++ pgdat3/arch/ia64/kernel/topology.c 2006-02-17 16:17:01.000000000 +0900 @@ -65,6 +65,21 @@ EXPORT_SYMBOL(arch_register_cpu); EXPORT_SYMBOL(arch_unregister_cpu); #endif /*CONFIG_HOTPLUG_CPU*/ +#ifdef CONFIG_NUMA +int arch_register_node(int num) +{ + if (sysfs_nodes[num].sysdev.id == num) + return 0; + + return register_node(&sysfs_nodes[num], num, 0); +} + +void arch_unregister_node(int num) +{ + unregister_node(&sysfs_nodes[num]); + sysfs_nodes[num].sysdev.id = -1; +} +#endif static int __init topology_init(void) { Index: pgdat3/include/asm-ia64/numa.h =================================================================== --- pgdat3.orig/include/asm-ia64/numa.h 2005-03-02 16:37:55.000000000 +0900 +++ pgdat3/include/asm-ia64/numa.h 2006-02-17 16:17:01.000000000 +0900 @@ -23,6 +23,9 @@ #include <asm/mmzone.h> +extern int arch_register_node(int num); +extern void arch_unregister_node(int num); + extern u8 cpu_to_node_map[NR_CPUS] __cacheline_aligned; extern cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned; -- Yasunori Goto
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |