enforce a minimum cache size of 2mb

diff --git a/lib/dns/cache.c b/lib/dns/cache.c
index 4ad107593994c99b62ae18051930a13ff1c574fb..df1719506210cfda059a2837e21833755f1fac98 100644 (file)
--- a/lib/dns/cache.c
+++ b/lib/dns/cache.c
@@ -15,7 +15,7 @@
  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: cache.c,v 1.37 2001/04/11 22:15:00 tale Exp $ */
+/* $Id: cache.c,v 1.38 2001/05/31 10:53:42 tale Exp $ */
 
 #include <config.h>
 
@@ -793,12 +793,11 @@ dns_cache_setcachesize(dns_cache_t *cache, isc_uint32_t size) {
        REQUIRE(VALID_CACHE(cache));
 
        /*
-        * Impose a minumum cache size -- this should perhaps be larger,
-        * but for now is just meant ensure that hiwater and lowater are
-        * less than the size.
+        * Impose a minumum cache size; pathological things happen if there
+        * is too little room.
         */
-       if (size != 0 && size < 8)
-               size = 8;
+       if (size != 0 && size < 2097152)
+               size = 2097152; /* 2mb */
 
        hiwater = size - (size >> 3);   /* ~(7/8) */
        lowater = size - (size >> 2);   /* ~(3/4) */