Here are the classes, structs, unions and interfaces with brief descriptions:

malloc_data
sbrk_fail
umem_bufctl
umem_bufctl_audit
umem_buftag
umem_cache
umem_cpu
umem_cpu_cache
umem_cpu_log_header
umem_env_item
umem_envvar
umem_log_header
umem_magazine
umem_maglist
umem_magtype
umem_slab
vmem
vmem_freelist
vmem_kstat
vmem_populate_lock
vmem_seg