From 895d15b81e7443a15210e61fb6083c21f7b00f4b Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Sat, 17 Jan 2009 17:20:37 +0000
Subject: 	* mmap.cc (mmap64): Fix condition checking if anonymous
 mapping beyond 	EOF is required.

---
 winsup/cygwin/mmap.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'winsup/cygwin/mmap.cc')

diff --git a/winsup/cygwin/mmap.cc b/winsup/cygwin/mmap.cc
index 53e552368..30410692f 100644
--- a/winsup/cygwin/mmap.cc
+++ b/winsup/cygwin/mmap.cc
@@ -897,7 +897,9 @@ mmap64 (void *addr, size_t len, int prot, int flags, int fd, _off64_t off)
 	 WOW64 does not support the AT_ROUND_TO_PAGE flag which is required
 	 to get this right.  Too bad. */
       if (!wincap.is_wow64 ()
-	  && ((len > fsiz && !autogrow (flags)) || len < pagesize))
+	  && ((len > fsiz && !autogrow (flags))
+	      || roundup2 (len, getsystempagesize ())
+		 < roundup2 (len, pagesize)))
 	orig_len = len;
       if (len > fsiz)
 	{
-- 
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