Merge branch 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6

[karo-tx-linux.git] / arch / alpha / mm / fault.c

diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index 622dabd846800b14fb13c623eff5c61da0ac9cf7..a0e18da594d94216e716d69f66b2cec0074aa43d 100644 (file)
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -21,7 +21,6 @@
 #include <linux/ptrace.h>
 #include <linux/mman.h>
 #include <linux/smp.h>
-#include <linux/smp_lock.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
 
@@ -108,7 +107,7 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
 
        /* If we're in an interrupt context, or have no user context,
           we must not take the fault.  */
-       if (!mm || in_interrupt())
+       if (!mm || in_atomic())
                goto no_context;
 
 #ifdef CONFIG_ALPHA_LARGE_VMALLOC
@@ -149,21 +148,17 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
           the fault.  */
        fault = handle_mm_fault(mm, vma, address, cause > 0);
        up_read(&mm->mmap_sem);
-
-       switch (fault) {
-             case VM_FAULT_MINOR:
-               current->min_flt++;
-               break;
-             case VM_FAULT_MAJOR:
-               current->maj_flt++;
-               break;
-             case VM_FAULT_SIGBUS:
-               goto do_sigbus;
-             case VM_FAULT_OOM:
-               goto out_of_memory;
-             default:
+       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++;
        return;
 
        /* Something tried to access memory that isn't in our memory map.
@@ -193,7 +188,7 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
        /* We ran out of memory, or some other thing happened to us that
           made us unable to handle the page fault gracefully.  */
  out_of_memory:
-       if (current->pid == 1) {
+       if (is_init(current)) {
                yield();
                down_read(&mm->mmap_sem);
                goto survive;