sched: Always provide p->on_cpu

Always provide p->on_cpu so that we can determine if its on a cpu
without having to lock the rq.

Reviewed-by: Frank Rowand <frank.rowand@am.sony.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Nick Piggin <npiggin@kernel.dk>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20110405152728.785452014@chello.nl
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 3 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 758e27afcda5..3435837e89ff 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1200,9 +1200,7 @@ struct task_struct {
         int lock_depth;         /* BKL lock depth */
 
 #ifdef CONFIG_SMP
-#ifdef __ARCH_WANT_UNLOCKED_CTXSW
-        int oncpu;
-#endif
+        int on_cpu;
 #endif
 
         int prio, static_prio, normal_prio;