diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86_64/mm/init.c | 20 | ||||
| -rw-r--r-- | arch/x86_64/mm/srat.c | 13 |
2 files changed, 19 insertions, 14 deletions
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c index 3e16fe08150..e759109abb3 100644 --- a/arch/x86_64/mm/init.c +++ b/arch/x86_64/mm/init.c @@ -463,19 +463,6 @@ void online_page(struct page *page) #ifdef CONFIG_MEMORY_HOTPLUG /* - * XXX: memory_add_physaddr_to_nid() is to find node id from physical address - * via probe interface of sysfs. If acpi notifies hot-add event, then it - * can tell node id by searching dsdt. But, probe interface doesn't have - * node id. So, return 0 as node id at this time. - */ -#ifdef CONFIG_NUMA -int memory_add_physaddr_to_nid(u64 start) -{ - return 0; -} -#endif - -/* * Memory is added always to NORMAL zone. This means you will never get * additional DMA/DMA32 memory. */ @@ -506,6 +493,13 @@ int remove_memory(u64 start, u64 size) } EXPORT_SYMBOL_GPL(remove_memory); +#ifndef CONFIG_ACPI_NUMA +int memory_add_physaddr_to_nid(u64 start) +{ + return 0; +} +#endif + #else /* CONFIG_MEMORY_HOTPLUG */ /* * Memory Hotadd without sparsemem. The mem_maps have been allocated in advance, diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c index 19396a261e8..8491300ef90 100644 --- a/arch/x86_64/mm/srat.c +++ b/arch/x86_64/mm/srat.c @@ -27,7 +27,7 @@ static struct acpi_table_slit *acpi_slit; static nodemask_t nodes_parsed __initdata; static struct bootnode nodes[MAX_NUMNODES] __initdata; -static struct bootnode nodes_add[MAX_NUMNODES] __initdata; +static struct bootnode nodes_add[MAX_NUMNODES]; static int found_add_area __initdata; int hotadd_percent __initdata = 0; @@ -466,3 +466,14 @@ int __node_distance(int a, int b) } EXPORT_SYMBOL(__node_distance); + +int memory_add_physaddr_to_nid(u64 start) +{ + int i, ret = 0; + + for_each_node(i) + if (nodes_add[i].start <= start && nodes_add[i].end > start) + ret = i; + + return ret; +} |