Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

[pandora-kernel.git] / arch / sh64 / mm / fault.c

diff --git a/arch/sh64/mm/fault.c b/arch/sh64/mm/fault.c
index 4dd8ee8..7c79a1b 100644 (file)
--- a/arch/sh64/mm/fault.c
+++ b/arch/sh64/mm/fault.c
@@ -81,7 +81,7 @@ static inline void print_vma(struct vm_area_struct *vma)
 
 static inline void print_task(struct task_struct *tsk)
 {
-       printk("Task pid %d\n", tsk->pid);
+       printk("Task pid %d\n", task_pid_nr(tsk));
 }
 
 static pte_t *lookup_pte(struct mm_struct *mm, unsigned long address)
@@ -127,6 +127,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
        struct vm_area_struct * vma;
        const struct exception_table_entry *fixup;
        pte_t *pte;
+       int fault;
 
 #if defined(CONFIG_SH64_PROC_TLB)
         ++calls_to_do_slow_page_fault;
@@ -135,7 +136,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
        /* SIM
         * Note this is now called with interrupts still disabled
         * This is to cope with being called for a missing IO port
-        * address with interupts disabled. This should be fixed as
+        * address with interrupts disabled. This should be fixed as
         * soon as we have a better 'fast path' miss handler.
         *
         * Plus take care how you try and debug this stuff.
@@ -221,18 +222,19 @@ good_area:
         * the fault.
         */
 survive:
-       switch (handle_mm_fault(mm, vma, address, writeaccess)) {
-       case VM_FAULT_MINOR:
-               tsk->min_flt++;
-               break;
-       case VM_FAULT_MAJOR:
-               tsk->maj_flt++;
-               break;
-       case VM_FAULT_SIGBUS:
-               goto do_sigbus;
-       default:
-               goto out_of_memory;
+       fault = handle_mm_fault(mm, vma, address, writeaccess);
+       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)
+               tsk->maj_flt++;
+       else
+               tsk->min_flt++;
+
        /* If we get here, the page fault has been handled.  Do the TLB refill
           now from the newly-setup PTE, to avoid having to fault again right
           away on the same instruction. */
@@ -270,13 +272,13 @@ bad_area:
                         * usermode, so only need a few */
                        count++;
                        printk("user mode bad_area address=%08lx pid=%d (%s) pc=%08lx\n",
-                               address, current->pid, current->comm,
+                               address, task_pid_nr(current), current->comm,
                                (unsigned long) regs->pc);
 #if 0
                        show_regs(regs);
 #endif
                }
-               if (is_init(tsk)) {
+               if (is_global_init(tsk)) {
                        panic("INIT had user mode bad_area\n");
                }
                tsk->thread.address = address;
@@ -318,21 +320,21 @@ no_context:
  * us unable to handle the page fault gracefully.
  */
 out_of_memory:
-       if (is_init(current)) {
+       if (is_global_init(current)) {
                panic("INIT out of memory\n");
                yield();
                goto survive;
        }
        printk("fault:Out of memory\n");
        up_read(&mm->mmap_sem);
-       if (is_init(current)) {
+       if (is_global_init(current)) {
                yield();
                down_read(&mm->mmap_sem);
                goto survive;
        }
        printk("VM: killing process %s\n", tsk->comm);
        if (user_mode(regs))
-               do_exit(SIGKILL);
+               do_group_exit(SIGKILL);
        goto no_context;
 
 do_sigbus: