--- kanjidic.c	2006-10-29 11:17:36.000000000 -0600
+++ kanjidic.c	2012-10-16 19:23:16.045662146 -0500
@@ -795,6 +795,8 @@
     error = TRUE;
   }
   radkfile = (gchar *) mmap(NULL, radkfile_size, PROT_READ, MAP_SHARED, fd, 0);
+  close(fd);
+
   if (radkfile == NULL) gjiten_abort_with_msg("mmap() failed for radkfile\n");
 
   if (error == TRUE) {
@@ -946,6 +948,8 @@
 		KanjiDic *tmp;
 		radical_window_close();
 
+    if(!munmap(radkfile,radkfile_size))radkfile=NULL; //release radkfile mmap
+
 		/* Avoid recursion */
 		tmp = kanjiDic;
 		kanjiDic = NULL;