void destroy_segment_manager_caches(void)
{
	kmem_cache_destroy(sit_entry_set_slab);
	kmem_cache_destroy(discard_cmd_slab);
	kmem_cache_destroy(discard_entry_slab);
	kmem_cache_destroy(inmem_entry_slab);
}
void destroy_segment_manager_caches(void)
{
	kmem_cache_destroy(sit_entry_set_slab);
	kmem_cache_destroy(discard_cmd_slab);
	kmem_cache_destroy(discard_entry_slab);
	kmem_cache_destroy(inmem_entry_slab);
}