Andrew, I would like to update the changelogs for patches 2 and 3. There are no changes to the code. Sorry for the inconvenience. The original changelog is not accurate: it's solely the ra->mmap_miss updates that caused cache line bouncing on tmpfs. ra->prev_pos won't be updated at all on tmpfs. Thanks, Fengguang -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx 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>