percpu: factor out pcpu_addr_in_first/reserved_chunk() and update per_cpu_ptr_to_phys()

[safe/jmp/linux-2.6] / kernel / exit.c

diff --git a/kernel/exit.c b/kernel/exit.c
index ce1e48c..7f2683a 100644 (file)
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -87,7 +87,7 @@ static void __exit_signal(struct task_struct *tsk)
 
        sighand = rcu_dereference_check(tsk->sighand,
                                        rcu_read_lock_held() ||
-                                       lockdep_is_held(&tasklist_lock));
+                                       lockdep_tasklist_lock_is_held());
        spin_lock(&sighand->siglock);
 
        posix_cpu_timers_exit(tsk);
@@ -953,7 +953,8 @@ NORET_TYPE void do_exit(long code)
 
        acct_update_integrals(tsk);
        /* sync mm's RSS info before statistics gathering */
-       sync_mm_rss(tsk, tsk->mm);
+       if (tsk->mm)
+               sync_mm_rss(tsk, tsk->mm);
        group_dead = atomic_dec_and_test(&tsk->signal->live);
        if (group_dead) {
                hrtimer_cancel(&tsk->signal->real_timer);