exit,stats: /* obey this comment */

There is a helpful comment in do_exit() that states we sync the mm's RSS
info before statistics gathering.

The function that does the statistics gathering is called right above that
comment.

Change the code to obey the comment.

Signed-off-by: Rik van Riel <riel@redhat.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/kernel/exit.c b/kernel/exit.c
index 185752a729f6657fb9e83c54c609cb145760bbe9..031325e9acf90a0d87184fd3ed0acc5e0ec0b956 100644 (file)
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -711,10 +711,10 @@ void do_exit(long code)
                        current->comm, task_pid_nr(current),
                        preempt_count());
 
-       acct_update_integrals(tsk);
        /* sync mm's RSS info before statistics gathering */
        if (tsk->mm)
                sync_mm_rss(tsk->mm);
+       acct_update_integrals(tsk);
        group_dead = atomic_dec_and_test(&tsk->signal->live);
        if (group_dead) {
                hrtimer_cancel(&tsk->signal->real_timer);