Since commit d84f2f5a7552 ("drivers/base/node.c: simplify unregister_memory_block_under_nodes()") we only have a single user of get_nid_for_pfn(). Let's just inline that code and get rid of get_nid_for_pfn(). Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxxxx> Cc: Oscar Salvador <osalvador@xxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> --- drivers/base/node.c | 23 +++++++---------------- 1 file changed, 7 insertions(+), 16 deletions(-) diff --git a/drivers/base/node.c b/drivers/base/node.c index 98a31bafc8a2..735073fd2926 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -744,17 +744,6 @@ int unregister_cpu_under_node(unsigned int cpu, unsigned int nid) } #ifdef CONFIG_MEMORY_HOTPLUG_SPARSE -static int __ref get_nid_for_pfn(unsigned long pfn) -{ - if (!pfn_valid_within(pfn)) - return -1; -#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT - if (system_state < SYSTEM_RUNNING) - return early_pfn_to_nid(pfn); -#endif - return pfn_to_nid(pfn); -} - /* register memory section under specified node if it spans that node */ static int register_mem_sect_under_node(struct memory_block *mem_blk, void *arg) @@ -766,8 +755,6 @@ static int register_mem_sect_under_node(struct memory_block *mem_blk, unsigned long pfn; for (pfn = start_pfn; pfn <= end_pfn; pfn++) { - int page_nid; - /* * memory block could have several absent sections from start. * skip pfn range from absent section @@ -784,11 +771,15 @@ static int register_mem_sect_under_node(struct memory_block *mem_blk, * block belong to the same node. */ if (system_state == SYSTEM_BOOTING) { - page_nid = get_nid_for_pfn(pfn); - if (page_nid < 0) + if (!pfn_valid_within(pfn)) continue; - if (page_nid != nid) +#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT + if (early_pfn_to_nid(pfn) != nid) continue; +#else + if (pfn_to_nid(pfn) != nid) + continue; +#endif } /* -- 2.21.0