Cripple adjusthashsize

lib/dns/cache.c

@@ -959,7 +959,7 @@ dns_cache_setcachesize(dns_cache_t *cache, size_t size) {
 		isc_mem_setwater(cache->mctx, water, cache, hiwater, lowater);
 	}
 
-	dns_db_adjusthashsize(cache->db, size);
+	/* dns_db_adjusthashsize(cache->db, size); */
 }
 
 size_t

lib/dns/rbt.c

@@ -1082,6 +1082,8 @@ isc_result_t
 dns_rbt_adjusthashsize(dns_rbt_t *rbt, size_t size) {
 	REQUIRE(VALID_RBT(rbt));
 
+	UNUSED(size);
+#if 0
 	if (size > 0) {
 		/*
 		 * Setting a new, finite size limit was requested for the RBT.
@@ -1104,6 +1106,7 @@ dns_rbt_adjusthashsize(dns_rbt_t *rbt, size_t size) {
 		 */
 		rbt->maxhashbits = RBT_HASH_MAX_BITS;
 	}
+#endif
 
 	return (ISC_R_SUCCESS);
 }