diff --git a/mm/memblock.c b/mm/memblock.c
index 9a2d5ae81ae1cf4217ed3174d72667be276769da..81ae63ca78d0bb8cb20d615c28f41795d57b2827 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1727,7 +1727,7 @@ static int __init_memblock memblock_search(struct memblock_type *type, phys_addr
 	return -1;
 }
 
-bool __init memblock_is_reserved(phys_addr_t addr)
+bool __init_memblock memblock_is_reserved(phys_addr_t addr)
 {
 	return memblock_search(&memblock.reserved, addr) != -1;
 }