-#if USE_DLMALLOC == 0
- mheap_t *h = mheap_header (am->acl_mheap);
- if (on)
- {
- h->flags |= MHEAP_FLAG_VALIDATE;
- h->flags &= ~MHEAP_FLAG_SMALL_OBJECT_CACHE;
- mheap_validate (h);
- }
- else
- {
- h->flags &= ~MHEAP_FLAG_VALIDATE;
- h->flags |= MHEAP_FLAG_SMALL_OBJECT_CACHE;
- }
-#endif