diff --git a/arch/m68k/sun3/config.c b/arch/m68k/sun3/config.c
index a8b942bf7163..2a5f43a68ae3 100644
--- a/arch/m68k/sun3/config.c
+++ b/arch/m68k/sun3/config.c
@@ -118,13 +118,13 @@ static void __init sun3_bootmem_alloc(unsigned long memory_start,
 	memory_end = memory_end & PAGE_MASK;
 
 	start_page = __pa(memory_start) >> PAGE_SHIFT;
-	num_pages = __pa(memory_end) >> PAGE_SHIFT;
+	max_pfn = num_pages = __pa(memory_end) >> PAGE_SHIFT;
 
 	high_memory = (void *)memory_end;
 	availmem = memory_start;
 
 	m68k_setup_node(0);
-	availmem += init_bootmem_node(NODE_DATA(0), start_page, 0, num_pages);
+	availmem += init_bootmem(start_page, num_pages);
 	availmem = (availmem + (PAGE_SIZE-1)) & PAGE_MASK;
 
 	free_bootmem(__pa(availmem), memory_end - (availmem));