diff options
Diffstat (limited to 'mm/page-writeback.c')
| -rw-r--r-- | mm/page-writeback.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 8a1551154285..586f31261c83 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -433,11 +433,8 @@ static void domain_dirty_limits(struct dirty_throttle_control *dtc) else bg_thresh = (bg_ratio * available_memory) / PAGE_SIZE; - if (unlikely(bg_thresh >= thresh)) { - pr_warn("vm direct limit must be set greater than background limit.\n"); + if (bg_thresh >= thresh) bg_thresh = thresh / 2; - } - tsk = current; if (tsk->flags & PF_LESS_THROTTLE || rt_task(tsk)) { bg_thresh += bg_thresh / 4 + global_wb_domain.dirty_limit / 32; @@ -1993,11 +1990,12 @@ int dirty_writeback_centisecs_handler(struct ctl_table *table, int write, } #ifdef CONFIG_BLOCK -void laptop_mode_timer_fn(unsigned long data) +void laptop_mode_timer_fn(struct timer_list *t) { - struct request_queue *q = (struct request_queue *)data; + struct backing_dev_info *backing_dev_info = + from_timer(backing_dev_info, t, laptop_mode_wb_timer); - wakeup_flusher_threads_bdi(q->backing_dev_info, WB_REASON_LAPTOP_TIMER); + wakeup_flusher_threads_bdi(backing_dev_info, WB_REASON_LAPTOP_TIMER); } /* |