Use helpers to obtain task pid in printks (arch code)

One of the easiest things to isolate is the pid printed in kernel log.
There was a patch, that made this for arch-independent code, this one makes
so for arch/xxx files.

It took some time to cross-compile it, but hopefully these are all the
printks in arch code.

Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index ec0f05e..2dc7f9f 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -182,7 +182,7 @@
 #ifdef CONFIG_SMP
 	printk("CPU %d ", hard_smp_processor_id());
 #endif
-	printk("%s(%d): %s %ld\n", current->comm, current->pid, str, err);
+	printk("%s(%d): %s %ld\n", current->comm, task_pid_nr(current), str, err);
 	dik_show_regs(regs, r9_15);
 	add_taint(TAINT_DIE);
 	dik_show_trace((unsigned long *)(regs+1));
@@ -646,7 +646,7 @@
 	lock_kernel();
 
 	printk("%s(%d): unhandled unaligned exception\n",
-	       current->comm, current->pid);
+	       current->comm, task_pid_nr(current));
 
 	printk("pc = [<%016lx>]  ra = [<%016lx>]  ps = %04lx\n",
 	       pc, una_reg(26), regs->ps);
@@ -786,7 +786,7 @@
 		}
 		if (++cnt < 5) {
 			printk("%s(%d): unaligned trap at %016lx: %p %lx %ld\n",
-			       current->comm, current->pid,
+			       current->comm, task_pid_nr(current),
 			       regs->pc - 4, va, opcode, reg);
 		}
 		last_time = jiffies;