On Sat, Jun 09, 2012 at 07:45:33PM +0800, Wanpeng Li wrote: > From: Wanpeng Li <liwp@xxxxxxxxxxxxxxxxxx> > > Signed-off-by: Wanpeng Li <liwp@xxxxxxxxxxxxxxxxxx> > --- > mm/page-writeback.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mm/page-writeback.c b/mm/page-writeback.c > index 93d8d2f..c833bf0 100644 > --- a/mm/page-writeback.c > +++ b/mm/page-writeback.c > @@ -930,7 +930,7 @@ static void bdi_update_dirty_ratelimit(struct backing_dev_info *bdi, > */ > > /* > - * dirty_ratelimit will follow balanced_dirty_ratelimit iff > + * dirty_ratelimit will follow balanced_dirty_ratelimit if That 'iff' means 'if and only if'. > * task_ratelimit is on the same side of dirty_ratelimit, too. > * For example, when > * - dirty_ratelimit > balanced_dirty_ratelimit > @@ -941,7 +941,7 @@ static void bdi_update_dirty_ratelimit(struct backing_dev_info *bdi, > * feel and care are stable dirty rate and small position error. > * > * |task_ratelimit - dirty_ratelimit| is used to limit the step size > - * and filter out the sigular points of balanced_dirty_ratelimit. Which > + * and filter out the singular points of balanced_dirty_ratelimit. Which > * keeps jumping around randomly and can even leap far away at times > * due to the small 200ms estimation period of dirty_rate (we want to > * keep that period small to reduce time lags). I'll fold the above chunk into the previous patch. Thanks, Fengguang -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>