On Mon, 9 Apr 2012, Colin Cross wrote: > Before Anton's fix, iterating the tasklist involved taking every task > lock, which probably made it very expensive.
I'm not sure of the fix you're referring to, but it's not in 3.4-rc2 because lowmem_shrink() still does find_lock_task_mm() for every user process on the system, which is necessary to safely do get_mm_rss(). -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
