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diff --git a/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/mman-shared.h b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/mman-shared.h
new file mode 100644
index 0000000..d15ba95
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/mman-shared.h
@@ -0,0 +1,76 @@
+/* Memory-mapping-related declarations/definitions, not architecture-specific.
+   Copyright (C) 2017-2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_MMAN_H
+# error "Never use <bits/mman-shared.h> directly; include <sys/mman.h> instead."
+#endif
+
+#ifdef __USE_GNU
+/* Flags for memfd_create.  */
+# ifndef MFD_CLOEXEC
+#  define MFD_CLOEXEC 1U
+#  define MFD_ALLOW_SEALING 2U
+#  define MFD_HUGETLB 4U
+# endif
+
+/* Flags for mlock2.  */
+# ifndef MLOCK_ONFAULT
+#  define MLOCK_ONFAULT 1U
+# endif
+
+/* Access rights for pkey_alloc.  */
+# ifndef PKEY_DISABLE_ACCESS
+#  define PKEY_DISABLE_ACCESS 0x1
+#  define PKEY_DISABLE_WRITE 0x2
+# endif
+
+__BEGIN_DECLS
+
+/* Create a new memory file descriptor.  NAME is a name for debugging.
+   FLAGS is a combination of the MFD_* constants.  */
+int memfd_create (const char *__name, unsigned int __flags) __THROW;
+
+/* Lock pages from ADDR (inclusive) to ADDR + LENGTH (exclusive) into
+   memory.  FLAGS is a combination of the MLOCK_* flags above.  */
+int mlock2 (const void *__addr, size_t __length, unsigned int __flags) __THROW;
+
+/* Allocate a new protection key, with the PKEY_DISABLE_* bits
+   specified in ACCESS_RIGHTS.  The protection key mask for the
+   current thread is updated to match the access privilege for the new
+   key.  */
+int pkey_alloc (unsigned int __flags, unsigned int __access_rights) __THROW;
+
+/* Update the access rights for the current thread for KEY, which must
+   have been allocated using pkey_alloc.  */
+int pkey_set (int __key, unsigned int __access_rights) __THROW;
+
+/* Return the access rights for the current thread for KEY, which must
+   have been allocated using pkey_alloc.  */
+int pkey_get (int __key) __THROW;
+
+/* Free an allocated protection key, which must have been allocated
+   using pkey_alloc.  */
+int pkey_free (int __key) __THROW;
+
+/* Apply memory protection flags for KEY to the specified address
+   range.  */
+int pkey_mprotect (void *__addr, size_t __len, int __prot, int __pkey) __THROW;
+
+__END_DECLS
+
+#endif /* __USE_GNU */