1 files changed, 6 insertions, 5 deletions

diff --git a/drivers/base/node.c b/drivers/base/node.c
index aa878fbcf705..0b0f38c2c7cd 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -802,9 +802,10 @@ int register_mem_sect_under_node(struct memory_block *mem_blk, void *arg)
         return 0;
 }
 
-/* unregister memory section under all nodes that it spans */
-int unregister_mem_sect_under_nodes(struct memory_block *mem_blk,
-                                    unsigned long phys_index)
+/*
+ * Unregister memory block device under all nodes that it spans.
+ */
+int unregister_memory_block_under_nodes(struct memory_block *mem_blk)
 {
         NODEMASK_ALLOC(nodemask_t, unlinked_nodes, GFP_KERNEL);
         unsigned long pfn, sect_start_pfn, sect_end_pfn;
@@ -817,8 +818,8 @@ int unregister_mem_sect_under_nodes(struct memory_block *mem_blk,
                 return -ENOMEM;
         nodes_clear(*unlinked_nodes);
 
-        sect_start_pfn = section_nr_to_pfn(phys_index);
-        sect_end_pfn = sect_start_pfn + PAGES_PER_SECTION - 1;
+        sect_start_pfn = section_nr_to_pfn(mem_blk->start_section_nr);
+        sect_end_pfn = section_nr_to_pfn(mem_blk->end_section_nr);
         for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) {
                 int nid;