diff --git a/arch/arm26/mm/fault.c b/arch/arm26/mm/fault.c
index dacca8b..bd6f2db 100644
--- a/arch/arm26/mm/fault.c
+++ b/arch/arm26/mm/fault.c
@@ -176,12 +176,12 @@
 	 * Handle the "normal" cases first - successful and sigbus
 	 */
 	switch (fault) {
-	case 2:
+	case VM_FAULT_MAJOR:
 		tsk->maj_flt++;
 		return fault;
-	case 1:
+	case VM_FAULT_MINOR:
 		tsk->min_flt++;
-	case 0:
+	case VM_FAULT_SIGBUS:
 		return fault;
 	}
 
@@ -226,14 +226,11 @@
 	/*
 	 * Handle the "normal" case first
 	 */
-	if (fault > 0)
+	switch (fault) {
+	case VM_FAULT_MINOR:
+	case VM_FAULT_MAJOR:
 		return 0;
-
-	/*
-	 * We had some memory, but were unable to
-	 * successfully fix up this page fault.
-	 */
-	if (fault == 0){
+	case VM_FAULT_SIGBUS:
 		goto do_sigbus;
 	}
 
diff --git a/arch/cris/mm/fault.c b/arch/cris/mm/fault.c
index fe1cc36..934c510 100644
--- a/arch/cris/mm/fault.c
+++ b/arch/cris/mm/fault.c
@@ -284,13 +284,13 @@
 	 */
 
 	switch (handle_mm_fault(mm, vma, address, writeaccess & 1)) {
-	case 1:
+	case VM_FAULT_MINOR:
 		tsk->min_flt++;
 		break;
-	case 2:
+	case VM_FAULT_MAJOR:
 		tsk->maj_flt++;
 		break;
-	case 0:
+	case VM_FAULT_SIGBUS:
 		goto do_sigbus;
 	default:
 		goto out_of_memory;
diff --git a/arch/frv/mm/fault.c b/arch/frv/mm/fault.c
index 41d02ac..8b3eb50 100644
--- a/arch/frv/mm/fault.c
+++ b/arch/frv/mm/fault.c
@@ -163,13 +163,13 @@
 	 * the fault.
 	 */
 	switch (handle_mm_fault(mm, vma, ear0, write)) {
-	case 1:
+	case VM_FAULT_MINOR:
 		current->min_flt++;
 		break;
-	case 2:
+	case VM_FAULT_MAJOR:
 		current->maj_flt++;
 		break;
-	case 0:
+	case VM_FAULT_SIGBUS:
 		goto do_sigbus;
 	default:
 		goto out_of_memory;
diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
index ac48b6d..aec1527 100644
--- a/arch/m68k/mm/fault.c
+++ b/arch/m68k/mm/fault.c
@@ -160,13 +160,13 @@
 	printk("handle_mm_fault returns %d\n",fault);
 #endif
 	switch (fault) {
-	case 1:
+	case VM_FAULT_MINOR:
 		current->min_flt++;
 		break;
-	case 2:
+	case VM_FAULT_MAJOR:
 		current->maj_flt++;
 		break;
-	case 0:
+	case VM_FAULT_SIGBUS:
 		goto bus_err;
 	default:
 		goto out_of_memory;
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index eaa7014..0ad945d 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -178,17 +178,17 @@
 	 */
 
 	switch (handle_mm_fault(mm, vma, address, (acc_type & VM_WRITE) != 0)) {
-	      case 1:
+	      case VM_FAULT_MINOR:
 		++current->min_flt;
 		break;
-	      case 2:
+	      case VM_FAULT_MAJOR:
 		++current->maj_flt;
 		break;
-	      case 0:
+	      case VM_FAULT_SIGBUS:
 		/*
-		 * We ran out of memory, or some other thing happened
-		 * to us that made us unable to handle the page fault
-		 * gracefully.
+		 * We hit a hared mapping outside of the file, or some
+		 * other thing happened to us that made us unable to
+		 * handle the page fault gracefully.
 		 */
 		goto bad_area;
 	      default:
diff --git a/arch/sh64/mm/fault.c b/arch/sh64/mm/fault.c
index a249328..f08d0ea 100644
--- a/arch/sh64/mm/fault.c
+++ b/arch/sh64/mm/fault.c
@@ -223,13 +223,13 @@
 	 */
 survive:
 	switch (handle_mm_fault(mm, vma, address, writeaccess)) {
-	case 1:
+	case VM_FAULT_MINOR:
 		tsk->min_flt++;
 		break;
-	case 2:
+	case VM_FAULT_MAJOR:
 		tsk->maj_flt++;
 		break;
-	case 0:
+	case VM_FAULT_SIGBUS:
 		goto do_sigbus;
 	default:
 		goto out_of_memory;