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-rw-r--r--mm/page-writeback.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 290e8b7d3181..d8ac2a7fb9e7 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -36,6 +36,7 @@
#include <linux/pagevec.h>
#include <linux/timer.h>
#include <linux/sched/rt.h>
+#include <linux/sched/signal.h>
#include <linux/mm_inline.h>
#include <trace/events/writeback.h>
@@ -580,7 +581,7 @@ static void wb_domain_writeout_inc(struct wb_domain *dom,
__fprop_inc_percpu_max(&dom->completions, completions,
max_prop_frac);
/* First event after period switching was turned off? */
- if (!unlikely(dom->period_time)) {
+ if (unlikely(!dom->period_time)) {
/*
* We can race with other __bdi_writeout_inc calls here but
* it does not cause any harm since the resulting time when
@@ -1797,7 +1798,7 @@ pause:
* pages exceeds dirty_thresh, give the other good wb's a pipe
* to go through, so that tasks on them still remain responsive.
*
- * In theory 1 page is enough to keep the comsumer-producer
+ * In theory 1 page is enough to keep the consumer-producer
* pipe going: the flusher cleans 1 page => the task dirties 1
* more page. However wb_dirty has accounting errors. So use
* the larger and more IO friendly wb_stat_error.
@@ -1988,11 +1989,11 @@ void laptop_mode_timer_fn(unsigned long data)
* We want to write everything out, not just down to the dirty
* threshold
*/
- if (!bdi_has_dirty_io(&q->backing_dev_info))
+ if (!bdi_has_dirty_io(q->backing_dev_info))
return;
rcu_read_lock();
- list_for_each_entry_rcu(wb, &q->backing_dev_info.wb_list, bdi_node)
+ list_for_each_entry_rcu(wb, &q->backing_dev_info->wb_list, bdi_node)
if (wb_has_dirty_io(wb))
wb_start_writeback(wb, nr_pages, true,
WB_REASON_LAPTOP_TIMER);