diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 840026c5bc56..c8437866d3b7 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -228,7 +228,7 @@ static void mm_cmdline_setup(void)
 		if (maxmem && memory_size > maxmem) {
 			memory_size = maxmem;
 			memory_end = memory_start + memory_size;
-			memblock.memory.region[0].size = memory_size;
+			memblock.memory.regions[0].size = memory_size;
 		}
 	}
 }
@@ -271,14 +271,14 @@ asmlinkage void __init mmu_init(void)
 		machine_restart(NULL);
 	}
 
-	if ((u32) memblock.memory.region[0].size < 0x1000000) {
+	if ((u32) memblock.memory.regions[0].size < 0x1000000) {
 		printk(KERN_EMERG "Memory must be greater than 16MB\n");
 		machine_restart(NULL);
 	}
 	/* Find main memory where the kernel is */
-	memory_start = (u32) memblock.memory.region[0].base;
-	memory_end = (u32) memblock.memory.region[0].base +
-				(u32) memblock.memory.region[0].size;
+	memory_start = (u32) memblock.memory.regions[0].base;
+	memory_end = (u32) memblock.memory.regions[0].base +
+				(u32) memblock.memory.regions[0].size;
 	memory_size = memory_end - memory_start;
 
 	mm_cmdline_setup(); /* FIXME parse args from command line - not used */