[Minor] Allocate larger config static pool

src/libserver/cfg_utils.c

@@ -117,7 +117,8 @@ rspamd_config_new (void)
 	struct rspamd_config *cfg;
 
 	cfg = g_malloc0 (sizeof (*cfg));
-	cfg->cfg_pool = rspamd_mempool_new (rspamd_mempool_suggest_size (), "cfg");
+	/* Allocate larger pool for cfg */
+	cfg->cfg_pool = rspamd_mempool_new (8 * 1024 * 1024, "cfg");
 	cfg->dns_timeout = 1000;
 	cfg->dns_retransmits = 5;
 	/* After 20 errors do throttling for 10 seconds */

src/libutil/mem_pool.c

@@ -354,7 +354,13 @@ rspamd_mempool_new_ (gsize size, const gchar *tag, const gchar *loc)
 			sizeof (struct _pool_destructors), 32);
 	rspamd_mempool_create_pool_type (new, RSPAMD_MEMPOOL_NORMAL);
 	/* Set it upon first call of set variable */
-	new->elt_len = new->entry->cur_suggestion;
+
+	if (size == 0) {
+		new->elt_len = new->entry->cur_suggestion;
+	}
+	else {
+		new->elt_len = size;
+	}
 
 	if (tag) {
 		rspamd_strlcpy (new->tag.tagname, tag, sizeof (new->tag.tagname));