On Fri, Aug 05, 2011 at 11:50:40AM +0800, Wu Fengguang wrote: > Add comments to clarify the easily misunderstood PG_readahead timing. > > PG_readahead is a trigger to say, when you get this far, it's time to > think about kicking off the _next_ readahead. -- Hugh > > CC: Hugh Dickins <hughd@xxxxxxxxxx> > CC: Matthew Wilcox <willy@xxxxxxxxxxxxxxx> > Signed-off-by: Wu Fengguang <fengguang.wu@xxxxxxxxx> Reviewed-by: Minchan Kim <minchan.kim@xxxxxxxxx> I expect it would be very helpful. -- Kind regards, Minchan Kim -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>