On Tue, 15 Mar 2011 11:12:37 +0900 Minchan Kim <minchan.kim@xxxxxxxxx> wrote: > >> I can't understand why we should hanlde activate_page_pvecs specially. > >> Please, enlighten me. > > Not it's special. akpm asked me to do it this time. Reducing little > > memory is still worthy anyway, so that's it. We can do it for other > > pvecs too, in separate patch. > > Understandable but I don't like code separation by CONFIG_SMP for just > little bit enhance of memory usage. In future, whenever we use percpu, > do we have to implement each functions for both SMP and non-SMP? > Is it desirable? > Andrew, Is it really valuable? It's a little saving of text footprint. It's also probably faster this way - putting all the pages into a pagevec then later processing them won't be very L1 cache friendly. -- 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>