X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=arch%2Falpha%2Fmm%2Ffault.c;h=a0e18da594d94216e716d69f66b2cec0074aa43d;hb=fdb64f93b38a3470fa4db8cd5720b8c731922d1a;hp=622dabd846800b14fb13c623eff5c61da0ac9cf7;hpb=5f765b8d68fe99c8a575265d81c62382893e1e8a;p=karo-tx-linux.git

diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index 622dabd84680..a0e18da594d9 100644
--- 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;