On Tue, 9 Aug 2016, Chris Wilson wrote: > With debugobjects enabled and using SLAB_DESTROY_BY_RCU, when a > kmem_cache_node is destroyed the call_rcu() may trigger a slab > allocation to fill the debug object pool (__debug_object_init:fill_pool). > Everywhere but during kmem_cache_destroy(), discard_slab() is performed > outside of the kmem_cache_node->list_lock and avoids a lockdep warning > about potential recursion: Acked-by: Christoph Lameter <cl@xxxxxxxxx> -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>