diff --git a/mm/memblock.c b/mm/memblock.c
index a476d28e0733..90171d508b09 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1640,8 +1640,7 @@ int __init_memblock memblock_is_region_memory(phys_addr_t base, phys_addr_t size
 
 	if (idx == -1)
 		return 0;
-	return memblock.memory.regions[idx].base <= base &&
-		(memblock.memory.regions[idx].base +
+	return (memblock.memory.regions[idx].base +
 		 memblock.memory.regions[idx].size) >= end;
 }