Hello, On 07/14/2010 04:01 AM, Christoph Lameter wrote: > I dont see anything in there at first glance that would cause slub to > increase its percpu usage. This is straight upstream? It's basically checking constant expressions there and PERCPU_DYNAMIC_EARLY_SIZE is defined as 12k, so slub is thinking that it's gonna use more memory on that build. > Try to just comment out the BUILD_BUG_ON. I had it misfire before and > fixed the formulae to no longer give false positives. Maybe that is > another case. Tejun wanted that but never was able to give me an exact > formular to check for. Yeah, unfortunately, due to alignment requirements, it can't be determined with accuracy. We'll just have to size it sufficiently. > At the Ottawa Linux Symposium right now so responses may be delayed. > Hotels Internet connection keeps getting clogged for some reason. I'm in suse labs conf until next week so I don't think I'll be doing much till then either. Thanks. -- tejun -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>