diff --git a/arch/loongarch/kernel/mem.c b/arch/loongarch/kernel/mem.c
index 4a4107a6a965..aed901c57fb4 100644
--- a/arch/loongarch/kernel/mem.c
+++ b/arch/loongarch/kernel/mem.c
@@ -50,7 +50,6 @@ void __init memblock_init(void)
 	}
 
 	memblock_set_current_limit(PFN_PHYS(max_low_pfn));
-	memblock_set_node(0, PHYS_ADDR_MAX, &memblock.memory, 0);
 
 	/* Reserve the first 2MB */
 	memblock_reserve(PHYS_OFFSET, 0x200000);
@@ -58,4 +57,7 @@ void __init memblock_init(void)
 	/* Reserve the kernel text/data/bss */
 	memblock_reserve(__pa_symbol(&_text),
 			 __pa_symbol(&_end) - __pa_symbol(&_text));
+
+	memblock_set_node(0, PHYS_ADDR_MAX, &memblock.memory, 0);
+	memblock_set_node(0, PHYS_ADDR_MAX, &memblock.reserved, 0);
 }