On Wed, 27 Apr 2011 01:25:21 +0900 Minchan Kim <minchan.kim@xxxxxxxxx> wrote: > Commonly, putback_lru_page is used with isolated_lru_page. > The isolated_lru_page picks the page in middle of LRU and > putback_lru_page insert the lru in head of LRU. > It means it could make LRU churning so we have to be very careful. > Let's clear description of putback_lru_page. > > Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> > Cc: Mel Gorman <mgorman@xxxxxxx> > Cc: Rik van Riel <riel@xxxxxxxxxx> > Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx> > Signed-off-by: Minchan Kim <minchan.kim@xxxxxxxxx> seems good... Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> But is there consensus which side of LRU is tail? head? I always need to revisit codes when I see a word head/tail.... -- 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>