diff options
Diffstat (limited to 'arch/x86/mm/srat_64.c')
| -rw-r--r-- | arch/x86/mm/srat_64.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c index 4f8e6cde9bf6..d2f53f35d86a 100644 --- a/arch/x86/mm/srat_64.c +++ b/arch/x86/mm/srat_64.c @@ -50,9 +50,16 @@ static __init inline int srat_disabled(void) /* Callback for SLIT parsing */ void __init acpi_numa_slit_init(struct acpi_table_slit *slit) { + int i, j; unsigned length; unsigned long phys; + for (i = 0; i < slit->locality_count; i++) + for (j = 0; j < slit->locality_count; j++) + numa_set_distance(pxm_to_node(i), pxm_to_node(j), + slit->entry[slit->locality_count * i + j]); + + /* acpi_slit is used only by emulation */ length = slit->header.length; phys = memblock_find_in_range(0, max_pfn_mapped<<PAGE_SHIFT, length, PAGE_SIZE); @@ -313,29 +320,17 @@ void __init acpi_fake_nodes(const struct bootnode *fake_nodes, int num_nodes) node_set(i, numa_nodes_parsed); } -static int null_slit_node_compare(int a, int b) -{ - return node_to_pxm(a) == node_to_pxm(b); -} -#else -static int null_slit_node_compare(int a, int b) -{ - return a == b; -} -#endif /* CONFIG_NUMA_EMU */ - -int __node_distance(int a, int b) +int acpi_emu_node_distance(int a, int b) { int index; if (!acpi_slit) - return null_slit_node_compare(a, b) ? LOCAL_DISTANCE : - REMOTE_DISTANCE; + return node_to_pxm(a) == node_to_pxm(b) ? + LOCAL_DISTANCE : REMOTE_DISTANCE; index = acpi_slit->locality_count * node_to_pxm(a); return acpi_slit->entry[index + node_to_pxm(b)]; } - -EXPORT_SYMBOL(__node_distance); +#endif /* CONFIG_NUMA_EMU */ #if defined(CONFIG_MEMORY_HOTPLUG_SPARSE) || defined(CONFIG_ACPI_HOTPLUG_MEMORY) int memory_add_physaddr_to_nid(u64 start) |
