diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page-writeback.c | 11 | 
1 files changed, 5 insertions, 6 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 830893b2b3c..6f427122449 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1069,7 +1069,7 @@ static void bdi_update_bandwidth(struct backing_dev_info *bdi,  }  /* - * After a task dirtied this many pages, balance_dirty_pages_ratelimited_nr() + * After a task dirtied this many pages, balance_dirty_pages_ratelimited()   * will look to see if it needs to start dirty throttling.   *   * If dirty_poll_interval is too low, big NUMA machines will call the expensive @@ -1436,9 +1436,8 @@ static DEFINE_PER_CPU(int, bdp_ratelimits);  DEFINE_PER_CPU(int, dirty_throttle_leaks) = 0;  /** - * balance_dirty_pages_ratelimited_nr - balance dirty memory state + * balance_dirty_pages_ratelimited - balance dirty memory state   * @mapping: address_space which was dirtied - * @nr_pages_dirtied: number of pages which the caller has just dirtied   *   * Processes which are dirtying memory should call in here once for each page   * which was newly dirtied.  The function will periodically check the system's @@ -1449,8 +1448,7 @@ DEFINE_PER_CPU(int, dirty_throttle_leaks) = 0;   * limit we decrease the ratelimiting by a lot, to prevent individual processes   * from overshooting the limit by (ratelimit_pages) each.   */ -void balance_dirty_pages_ratelimited_nr(struct address_space *mapping, -					unsigned long nr_pages_dirtied) +void balance_dirty_pages_ratelimited(struct address_space *mapping)  {  	struct backing_dev_info *bdi = mapping->backing_dev_info;  	int ratelimit; @@ -1484,6 +1482,7 @@ void balance_dirty_pages_ratelimited_nr(struct address_space *mapping,  	 */  	p = &__get_cpu_var(dirty_throttle_leaks);  	if (*p > 0 && current->nr_dirtied < ratelimit) { +		unsigned long nr_pages_dirtied;  		nr_pages_dirtied = min(*p, ratelimit - current->nr_dirtied);  		*p -= nr_pages_dirtied;  		current->nr_dirtied += nr_pages_dirtied; @@ -1493,7 +1492,7 @@ void balance_dirty_pages_ratelimited_nr(struct address_space *mapping,  	if (unlikely(current->nr_dirtied >= ratelimit))  		balance_dirty_pages(mapping, current->nr_dirtied);  } -EXPORT_SYMBOL(balance_dirty_pages_ratelimited_nr); +EXPORT_SYMBOL(balance_dirty_pages_ratelimited);  void throttle_vm_writeout(gfp_t gfp_mask)  {  |