diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index f5c6b4c6de2474df602ef1f94e8db8194bb6adbb..5eec13b8d222d3940dba7bbf022f52dbfc43fb5b 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -108,6 +108,9 @@ void __init add_memory_region(phys_addr_t start, phys_addr_t size, long type)
 		return;
 	}
 
+	if (start < PHYS_OFFSET)
+		return;
+
 	memblock_add(start, size);
 	/* Reserve any memory except the ordinary RAM ranges. */
 	switch (type) {