diff --git a/include/metalsvm/mmu.h b/include/metalsvm/mmu.h
index cbc01f25..3deaff35 100644
--- a/include/metalsvm/mmu.h
+++ b/include/metalsvm/mmu.h
@@ -36,7 +36,7 @@ typedef struct {
 	atomic_size_t	usage;
 } mm_t;
 
-void mmu_init(void);
+int mmu_init(void);
 
 #ifdef __cplusplus
 }
diff --git a/mm/memory.c b/mm/memory.c
index 9118ac76..577b4573 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -21,6 +21,7 @@
 #include <metalsvm/string.h>
 #include <metalsvm/mmu.h>
 #include <metalsvm/spinlocks.h>
+#include <metalsvm/time.h>
 #ifdef USE_MULTIBOOT
 #include <asm/multiboot.h>
 #endif
@@ -71,7 +72,7 @@ inline static void page_unmarked(unsigned int i)
 	bitmap[index] = bitmap[index] & ~(1 << mod);
 }
 
-void mmu_init(void)
+int mmu_init(void)
 {
 	size_t kernel_size;
 	unsigned int i; 
@@ -80,7 +81,7 @@ void mmu_init(void)
 	memset(bitmap, 0xFF, sizeof(uint8_t)*BITMAP_SIZE);
 
 #ifdef USE_MULTIBOOT
-	if (mb_info) {
+	if (mb_info && (mb_info->flags & (1 << (6)))) {
 		multiboot_memory_map_t* mmap = (multiboot_memory_map_t*) mb_info->mmap_addr;
 		multiboot_memory_map_t* mmap_end = (void*) ((size_t) mb_info->mmap_addr + mb_info->mmap_length);
 
@@ -99,6 +100,10 @@ void mmu_init(void)
 			}
 			mmap++;
 		}
+	} else {
+		kputs("Unable to initialize the memory management subsystem\n");
+		sleep(5);
+		return -1;
 	}
 #else
 	#error Currently, MetalSVM needs multiboot!
@@ -114,6 +119,8 @@ void mmu_init(void)
 		page_marked(i);
 
 	alloc_start = (unsigned int) (&kernel_end) / PAGE_SIZE + 1;
+
+	return 0;
 }
 
 static void* task_malloc(task_t* task, size_t sz)