tile: Make tile use the new is_idle_task() API

Change from direct comparison of ->pid with zero to is_idle_task().

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c
index 25b7b90fd620..c1eaaa1fcc20 100644
--- a/arch/tile/mm/fault.c
+++ b/arch/tile/mm/fault.c
@@ -54,7 +54,7 @@ static noinline void force_sig_info_fault(const char *type, int si_signo,
         if (unlikely(tsk->pid < 2)) {
                 panic("Signal %d (code %d) at %#lx sent to %s!",
                       si_signo, si_code & 0xffff, address,
-                      tsk->pid ? "init" : "the idle task");
+                      is_idle_task(tsk) ? "the idle task" : "init");
         }
 
         info.si_signo = si_signo;
@@ -515,7 +515,7 @@ no_context:
 
         if (unlikely(tsk->pid < 2)) {
                 panic("Kernel page fault running %s!",
-                      tsk->pid ? "init" : "the idle task");
+                      is_idle_task(tsk) ? "the idle task" : "init");
         }
 
         /*