Index: trunk/xcache.ini
===================================================================
--- trunk/xcache.ini	(revision 44)
+++ trunk/xcache.ini	(revision 101)
@@ -38,4 +38,5 @@
 ; uncomment and change to "/tmp/xcache" for readonly protection
 ; 2 group of php won't share the same /tmp/xcache
+; for other OS, it's a file NOT directory
 xcache.mmap_path =    "/dev/zero"
 
