Signed-off-by: Wang Long <wanglong19@xxxxxxxxxxx>
---
include/linux/backing-dev.h | 2 +-
mm/page-writeback.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 1662157..186a2e7 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -95,7 +95,7 @@ static inline s64 wb_stat_sum(struct bdi_writeback *wb, enum wb_stat_item item)
/*
* maximal error of a stat counter.
*/
-static inline unsigned long wb_stat_error(struct bdi_writeback *wb)
+static inline unsigned long wb_stat_error(void)
{
#ifdef CONFIG_SMP
return nr_cpu_ids * WB_STAT_BATCH;
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 0b9c5cb..9287466 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1543,7 +1543,7 @@ static inline void wb_dirty_limits(struct dirty_throttle_control *dtc)
* actually dirty; with m+n sitting in the percpu
* deltas.
*/
- if (dtc->wb_thresh < 2 * wb_stat_error(wb)) {
+ if (dtc->wb_thresh < 2 * wb_stat_error()) {
wb_reclaimable = wb_stat_sum(wb, WB_RECLAIMABLE);
dtc->wb_dirty = wb_reclaimable + wb_stat_sum(wb, WB_WRITEBACK);
} else {
@@ -1802,7 +1802,7 @@ static void balance_dirty_pages(struct address_space *mapping,
* more page. However wb_dirty has accounting errors. So use
* the larger and more IO friendly wb_stat_error.
*/
- if (sdtc->wb_dirty <= wb_stat_error(wb))
+ if (sdtc->wb_dirty <= wb_stat_error())
break;
if (fatal_signal_pending(current))
--
1.8.3.1
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