On Tue, Jun 07, 2011 at 11:38:18PM +0900, Minchan Kim wrote: > In __zone_reclaim case, we don't want to shrink mapped page. > Nonetheless, we have isolated mapped page and re-add it into > LRU's head. It's unnecessary CPU overhead and makes LRU churning. > Gack, I should have keep reading. I didn't cop from the subject that __zone_reclaim would be updated. Still, it would have been easier to review if one patch introduced ISOLATE_CLEAN and updated the callers and this patch introduced ISOLATE_UNMAPPED and updated the relevant callers. > <SNIP> -- Mel Gorman SUSE Labs -- 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>