mm: fault feedback #2
[safe/jmp/linux-2.6] / arch / frv / mm / fault.c
index 3f12296..6798fa0 100644 (file)
@@ -40,6 +40,7 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear
        pud_t *pue;
        pte_t *pte;
        int write;
+       int fault;
 
 #if 0
        const char *atxc[16] = {
@@ -162,18 +163,18 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear
         * make sure we exit gracefully rather than endlessly redo
         * the fault.
         */
-       switch (handle_mm_fault(mm, vma, ear0, write)) {
-       case VM_FAULT_MINOR:
-               current->min_flt++;
-               break;
-       case VM_FAULT_MAJOR:
-               current->maj_flt++;
-               break;
-       case VM_FAULT_SIGBUS:
-               goto do_sigbus;
-       default:
-               goto out_of_memory;
+       fault = handle_mm_fault(mm, vma, ear0, write);
+       if (unlikely(fault & VM_FAULT_ERROR)) {
+               if (fault & VM_FAULT_OOM)
+                       goto out_of_memory;
+               else if (fault & VM_FAULT_SIGBUS)
+                       goto do_sigbus;
+               BUG();
        }
+       if (fault & VM_FAULT_MAJOR)
+               current->maj_flt++;
+       else
+               current->min_flt++;
 
        up_read(&mm->mmap_sem);
        return;