qemu/0010-qemu-cvs-mmap-amd64.patch

From 2013ec7c2d1b5a71d73701da746363b69d4c992c Mon Sep 17 00:00:00 2001
From: Ulrich Hecht <uli@suse.de>
Date: Tue, 14 Apr 2009 16:34:05 +0200
Subject: [PATCH 10/17] qemu-cvs-mmap-amd64

Map stuff to address space < 4GB on AMD64. This patch got continually smaller
as most cases were this was an issue were dealt with in other ways. May
already be fully obsolete.

Signed-off-by: Ulrich Hecht <uli@suse.de>
---
 linux-user/mmap.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index e18c228..de8abe9 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -31,6 +31,10 @@
 #include "qemu.h"
 #include "qemu-common.h"
 
+#if !defined(MAP_32BIT)
+#define MAP_32BIT 0
+#endif
+
 //#define DEBUG_MMAP
 
 #if defined(CONFIG_USE_NPTL)
@@ -169,7 +173,7 @@ static int mmap_frag(abi_ulong real_start,
     if (prot1 == 0) {
         /* no page was there, so we allocate one */
         void *p = mmap(host_start, qemu_host_page_size, prot,
-                       flags | MAP_ANONYMOUS, -1, 0);
+                       flags | MAP_ANONYMOUS | MAP_32BIT, -1, 0);
         if (p == MAP_FAILED)
             return -1;
         prot1 = prot;
-- 
1.7.1