From 156a3bedb22b38bc771b755700dca0cab9d1a787 Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <nsz@port70.net>
Date: Sat, 9 Jun 2018 20:39:35 +0000
Subject: [PATCH] add MAP_FIXED_NOREPLACE from linux v4.17

to map at a fixed address without unmapping underlying mappings
(fails with EEXIST unlike MAP_FIXED), new in linux commits
4ed28639519c7bad5f518e70b3284c6e0763e650 and
a4ff8e8620d3f4f50ac4b41e8067b7d395056843.
---
 include/sys/mman.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/sys/mman.h b/include/sys/mman.h
index 302ad134..19dd844e 100644
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -35,6 +35,7 @@ extern "C" {
 #define MAP_STACK      0x20000
 #define MAP_HUGETLB    0x40000
 #define MAP_SYNC       0x80000
+#define MAP_FIXED_NOREPLACE 0x100000
 #define MAP_FILE       0
 
 #define MAP_HUGE_SHIFT 26
-- 
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