sparc: Use page_fault_out_of_memory() for VM_FAULT_OOM.

As noted by Nick Piggin.

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/mm/fault_32.c

@@ -319,9 +319,10 @@ no_context:
  */
 out_of_memory:
 	up_read(&mm->mmap_sem);
-	printk("VM: killing process %s\n", tsk->comm);
-	if (from_user)
-		do_group_exit(SIGKILL);
+	if (from_user) {
+		pagefault_out_of_memory();
+		return;
+	}
 	goto no_context;
 
 do_sigbus: