This is important for SMP scenario, to check whether the timer callback is executing on another CPU when we are deleting the timer. Signed-off-by: Kautuk Consul <consul.kautuk@xxxxxxxxx> --- mm/backing-dev.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/mm/backing-dev.c b/mm/backing-dev.c index d6edf8d..754b35a 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -385,7 +385,7 @@ static int bdi_forker_thread(void *ptr) * dirty data on the default backing_dev_info */ if (wb_has_dirty_io(me) || !list_empty(&me->bdi->work_list)) { - del_timer(&me->wakeup_timer); + del_timer_sync(&me->wakeup_timer); wb_do_writeback(me, 0); } -- 1.7.4.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>