kmem_freepages   1728 mm/slab.c      	kmem_freepages(cachep, slab_rcu->addr);
kmem_freepages   1960 mm/slab.c      		kmem_freepages(cachep, addr);
kmem_freepages   2824 mm/slab.c      	kmem_freepages(cachep, objp);