TRACE_CACHE
#ifdef TRACE_CACHE
TRACE_CACHE(this, "construct (%p, %p .. %p, %lu)", slab, pages,
TRACE_CACHE(this, " %lu objects, %lu spare bytes, offset %lu",
TRACE_CACHE(this, "destruct %p", slab);
TRACE_CACHE(this, "returning %p (%p) to %p, %lu used (%lu empty slabs).",
TRACE_CACHE(this, "init %lu, %lu -> %lu", objectSize, alignment,
TRACE_CACHE(cache, "allocate %p (%p) from %p, %lu remaining.",