diff options
Diffstat (limited to 'drivers/nvdimm/e820.c')
| -rw-r--r-- | drivers/nvdimm/e820.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/nvdimm/e820.c b/drivers/nvdimm/e820.c index 8282db2ef..b0045a505 100644 --- a/drivers/nvdimm/e820.c +++ b/drivers/nvdimm/e820.c @@ -3,6 +3,7 @@ * Copyright (c) 2015, Intel Corporation. */ #include <linux/platform_device.h> +#include <linux/memory_hotplug.h> #include <linux/libnvdimm.h> #include <linux/module.h> @@ -25,6 +26,18 @@ static int e820_pmem_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_MEMORY_HOTPLUG +static int e820_range_to_nid(resource_size_t addr) +{ + return memory_add_physaddr_to_nid(addr); +} +#else +static int e820_range_to_nid(resource_size_t addr) +{ + return NUMA_NO_NODE; +} +#endif + static int e820_pmem_probe(struct platform_device *pdev) { static struct nvdimm_bus_descriptor nd_desc; @@ -48,7 +61,7 @@ static int e820_pmem_probe(struct platform_device *pdev) memset(&ndr_desc, 0, sizeof(ndr_desc)); ndr_desc.res = p; ndr_desc.attr_groups = e820_pmem_region_attribute_groups; - ndr_desc.numa_node = NUMA_NO_NODE; + ndr_desc.numa_node = e820_range_to_nid(p->start); set_bit(ND_REGION_PAGEMAP, &ndr_desc.flags); if (!nvdimm_pmem_region_create(nvdimm_bus, &ndr_desc)) goto err; |