Index: main/streams/plain_wrapper.c
===================================================================
RCS file: /repository/php-src/main/streams/plain_wrapper.c,v
retrieving revision 1.52.2.6.2.23.2.5
diff -u -r1.52.2.6.2.23.2.5 plain_wrapper.c
--- main/streams/plain_wrapper.c	31 Dec 2007 07:17:17 -0000	1.52.2.6.2.23.2.5
+++ main/streams/plain_wrapper.c	7 Mar 2008 11:00:02 -0000
@@ -616,6 +616,10 @@
 
 		case PHP_STREAM_OPTION_MMAP_API:
 #if HAVE_MMAP
+
+# ifndef MAP_LOCKED
+#  define MAP_LOCKED 0
+# endif
 			{
 				php_stream_mmap_range *range = (php_stream_mmap_range*)ptrparam;
 				int prot, flags;
@@ -656,7 +660,7 @@
 							default:
 								return PHP_STREAM_OPTION_RETURN_ERR;
 						}
-						range->mapped = (char*)mmap(NULL, range->length, prot, flags, fd, range->offset);
+						range->mapped = (char*)mmap(NULL, range->length, prot, flags|MAP_LOCKED, fd, range->offset);
 						if (range->mapped == (char*)MAP_FAILED) {
 							range->mapped = NULL;
 							return PHP_STREAM_OPTION_RETURN_ERR;