On Mon, 26 Sep 2011, Gilad Ben-Yossef wrote: > I do not know if these scenarios warrant the additional overhead, > certainly not in all situations. Maybe the right thing is to make it a > config option dependent. As I stated in the patch description, that is > one of the thing I'm interested in feedback on. The flushing of the per cpu pages only done when kmem_cache_shrink() is run or when a slab cache is closed. And for diagnostics. So its rare and not performance critical. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. 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>