From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue, 31 Oct 2023 16:32:35 +0000 (-0300)
Subject: linux: Add MMAP_ABOVE4G from Linux 6.6 to sys/mman.h
X-Git-Tag: glibc-2.39~314
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb8c78b2ffa0b77ae453b2d328d7e2fe5186ef2a;p=thirdparty%2Fglibc.git

linux: Add MMAP_ABOVE4G from Linux 6.6 to sys/mman.h

x86 added the flag (29f890d1050fc099f) for CET enabled.

Also update tst-mman-consts.py test.
---

diff --git a/sysdeps/unix/sysv/linux/tst-mman-consts.py b/sysdeps/unix/sysv/linux/tst-mman-consts.py
index e85ea41ee42..8186d7e1783 100644
--- a/sysdeps/unix/sysv/linux/tst-mman-consts.py
+++ b/sysdeps/unix/sysv/linux/tst-mman-consts.py
@@ -33,7 +33,7 @@ def main():
                         help='C compiler (including options) to use')
     args = parser.parse_args()
     linux_version_headers = glibcsyscalls.linux_kernel_version(args.cc)
-    linux_version_glibc = (6, 5)
+    linux_version_glibc = (6, 6)
     sys.exit(glibcextract.compare_macro_consts(
         '#define _GNU_SOURCE 1\n'
         '#include <sys/mman.h>\n',
diff --git a/sysdeps/unix/sysv/linux/x86/bits/mman.h b/sysdeps/unix/sysv/linux/x86/bits/mman.h
index b335ceff43e..3d356e86a0e 100644
--- a/sysdeps/unix/sysv/linux/x86/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/x86/bits/mman.h
@@ -25,6 +25,7 @@
 
 /* Other flags.  */
 #define MAP_32BIT	0x40		/* Only give out 32-bit addresses.  */
+#define MAP_ABOVE4G	0x80		/* Only map above 4GB.  */
 
 #include <bits/mman-map-flags-generic.h>