diff --git a/mm/memblock.c b/mm/memblock.c
index 07ff069..9695398 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1528,12 +1528,12 @@
 	return -1;
 }
 
-int __init memblock_is_reserved(phys_addr_t addr)
+bool __init memblock_is_reserved(phys_addr_t addr)
 {
 	return memblock_search(&memblock.reserved, addr) != -1;
 }
 
-int __init_memblock memblock_is_memory(phys_addr_t addr)
+bool __init_memblock memblock_is_memory(phys_addr_t addr)
 {
 	return memblock_search(&memblock.memory, addr) != -1;
 }