On Tue, 13 Jul 2010, Christoph Lameter wrote: > > > Can you get us the config file. What is the value of > > > PERCPU_DYMAMIC_EARLY_SIZE? > > > > My .config file is attached. I don't know how to find out what value > > PERCPU_DYNAMIC_EARLY_SIZE is actually on, how could I do that? There's > > no such thing in my .config. > > I dont see anything in there at first glance that would cause slub to > increase its percpu usage. This is straight upstream? > The problem is that he has CONFIG_NODES_SHIFT=10 and struct kmem_cache has an array of struct kmem_cache_node pointers with MAX_NUMNODES entries which blows its size up to over 8K. That's probably overkill for his quad-core 8GB AMD, so I'd recommend lowering CONFIG_NODES_SHIFT to 6. -- 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>