On 02/22/2013 07:39 PM, Christoph Lameter wrote: > On Fri, 22 Feb 2013, Glauber Costa wrote: > >> As I've mentioned in the description, the real bug is from partial slabs >> being temporarily in the cpu_slab during a recent allocation and >> therefore unreachable through the partial list. > > The bootstrap code does not use cpu slabs but goes directly to the slab > pages. See early_kmem_cache_node_alloc. > That differs from what I am seeing here. I can trace an early __slab_alloc allocation from the kmem_cache_node cache, very likely coming from the kmem_cache boot cache creation. It takes the page out of the partial list and moves it to the cpu_slab. After that, that particular page becomes unreachable for bootstrap. At this point, we are already slab_state == PARTIAL, while init_kmem_cache_nodes will only differentiate against slab_state == DOWN. -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
