1 files changed, 2 insertions, 5 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 0cfcd1c7865e..b6f51e3a38ec 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -697,12 +697,9 @@ struct task_struct {
 
         int lock_depth;         /* BKL lock depth */
 
-#if defined(CONFIG_SMP)
-        int last_waker_cpu;     /* CPU that last woke this task up */
-#if defined(__ARCH_WANT_UNLOCKED_CTXSW)
+#if defined(CONFIG_SMP) && defined(__ARCH_WANT_UNLOCKED_CTXSW)
         int oncpu;
 #endif
-#endif
         int prio, static_prio;
         struct list_head run_list;
         prio_array_t *array;
@@ -1098,7 +1095,7 @@ extern struct sigqueue *sigqueue_alloc(void);
 extern void sigqueue_free(struct sigqueue *);
 extern int send_sigqueue(int, struct sigqueue *,  struct task_struct *);
 extern int send_group_sigqueue(int, struct sigqueue *,  struct task_struct *);
-extern int do_sigaction(int, const struct k_sigaction *, struct k_sigaction *);
+extern int do_sigaction(int, struct k_sigaction *, struct k_sigaction *);
 extern int do_sigaltstack(const stack_t __user *, stack_t __user *, unsigned long);
 
 /* These can be the second arg to send_sig_info/send_group_sig_info.  */