diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 3fd8e18bed80..8415f614ce0c 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -785,7 +785,7 @@ static int find_node(unsigned long addr)
 	return -1;
 }
 
-u64 memblock_nid_range(u64 start, u64 end, int *nid)
+static u64 memblock_nid_range(u64 start, u64 end, int *nid)
 {
 	*nid = find_node(start);
 	start += PAGE_SIZE;
@@ -803,7 +803,7 @@ u64 memblock_nid_range(u64 start, u64 end, int *nid)
 	return start;
 }
 #else
-u64 memblock_nid_range(u64 start, u64 end, int *nid)
+static u64 memblock_nid_range(u64 start, u64 end, int *nid)
 {
 	*nid = 0;
 	return end;
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 349688899cb0..329ffb26c1c9 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -89,7 +89,6 @@ extern int memblock_is_region_reserved(phys_addr_t base, phys_addr_t size);
 extern void memblock_dump_all(void);
 
 /* Provided by the architecture */
-extern phys_addr_t memblock_nid_range(phys_addr_t start, phys_addr_t end, int *nid);
 extern int memblock_memory_can_coalesce(phys_addr_t addr1, phys_addr_t size1,
 				   phys_addr_t addr2, phys_addr_t size2);
 
diff --git a/mm/memblock.c b/mm/memblock.c
index 97f3486ce4d6..22cd999b0d4e 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -508,7 +508,7 @@ phys_addr_t __init memblock_alloc(phys_addr_t size, phys_addr_t align)
  * have been done to populate it.
  */
 
-phys_addr_t __weak __init memblock_nid_range(phys_addr_t start, phys_addr_t end, int *nid)
+static phys_addr_t __init memblock_nid_range(phys_addr_t start, phys_addr_t end, int *nid)
 {
 #ifdef CONFIG_ARCH_POPULATES_NODE_MAP
 	unsigned long start_pfn, end_pfn;