diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c
index bb4e8fff4b55..f8435cd36c7c 100644
--- a/arch/blackfin/mm/init.c
+++ b/arch/blackfin/mm/init.c
@@ -158,5 +158,8 @@ void __init_refok free_initmem(void)
 	free_init_pages("unused kernel memory",
 			(unsigned long)(&__init_begin),
 			(unsigned long)(&__init_end));
+
+	if (memory_start == (unsigned long)(&__init_end))
+		memory_start = (unsigned long)(&__init_begin);
 #endif
 }