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diff --git a/bits/mman-linux.h b/bits/mman-linux.h
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-/* Definitions for POSIX memory map interface. Linux generic version.
- Copyright (C) 2001-2016 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-linux.h> directly; include <sys/mman.h> instead."
-#endif
-
-/* The following definitions basically come from the kernel headers.
- But the kernel header is not namespace clean.
-
- This file is also used by some non-Linux configurations of the
- GNU C Library, for other systems that use these same bit values. */
-
-
-/* Protections are chosen from these bits, OR'd together. The
- implementation does not necessarily support PROT_EXEC or PROT_WRITE
- without PROT_READ. The only guarantees are that no writing will be
- allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */
-
-#define PROT_READ 0x1 /* Page can be read. */
-#define PROT_WRITE 0x2 /* Page can be written. */
-#define PROT_EXEC 0x4 /* Page can be executed. */
-#define PROT_NONE 0x0 /* Page can not be accessed. */
-#define PROT_GROWSDOWN 0x01000000 /* Extend change to start of
- growsdown vma (mprotect only). */
-#define PROT_GROWSUP 0x02000000 /* Extend change to start of
- growsup vma (mprotect only). */
-
-/* Sharing types (must choose one and only one of these). */
-#define MAP_SHARED 0x01 /* Share changes. */
-#define MAP_PRIVATE 0x02 /* Changes are private. */
-#ifdef __USE_MISC
-# define MAP_TYPE 0x0f /* Mask for type of mapping. */
-#endif
-
-/* Other flags. */
-#define MAP_FIXED 0x10 /* Interpret addr exactly. */
-#ifdef __USE_MISC
-# define MAP_FILE 0
-# ifdef __MAP_ANONYMOUS
-# define MAP_ANONYMOUS __MAP_ANONYMOUS /* Don't use a file. */
-# else
-# define MAP_ANONYMOUS 0x20 /* Don't use a file. */
-# endif
-# define MAP_ANON MAP_ANONYMOUS
-/* When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size. */
-# define MAP_HUGE_SHIFT 26
-# define MAP_HUGE_MASK 0x3f
-#endif
-
-/* Flags to `msync'. */
-#define MS_ASYNC 1 /* Sync memory asynchronously. */
-#define MS_SYNC 4 /* Synchronous memory sync. */
-#define MS_INVALIDATE 2 /* Invalidate the caches. */
-
-/* Flags for `mremap'. */
-#ifdef __USE_GNU
-# define MREMAP_MAYMOVE 1
-# define MREMAP_FIXED 2
-#endif
-
-/* Advice to `madvise'. */
-#ifdef __USE_MISC
-# define MADV_NORMAL 0 /* No further special treatment. */
-# define MADV_RANDOM 1 /* Expect random page references. */
-# define MADV_SEQUENTIAL 2 /* Expect sequential page references. */
-# define MADV_WILLNEED 3 /* Will need these pages. */
-# define MADV_DONTNEED 4 /* Don't need these pages. */
-# define MADV_REMOVE 9 /* Remove these pages and resources. */
-# define MADV_DONTFORK 10 /* Do not inherit across fork. */
-# define MADV_DOFORK 11 /* Do inherit across fork. */
-# define MADV_MERGEABLE 12 /* KSM may merge identical pages. */
-# define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages. */
-# define MADV_HUGEPAGE 14 /* Worth backing with hugepages. */
-# define MADV_NOHUGEPAGE 15 /* Not worth backing with hugepages. */
-# define MADV_DONTDUMP 16 /* Explicity exclude from the core dump,
- overrides the coredump filter bits. */
-# define MADV_DODUMP 17 /* Clear the MADV_DONTDUMP flag. */
-# define MADV_HWPOISON 100 /* Poison a page for testing. */
-#endif
-
-/* The POSIX people had to invent similar names for the same things. */
-#ifdef __USE_XOPEN2K
-# define POSIX_MADV_NORMAL 0 /* No further special treatment. */
-# define POSIX_MADV_RANDOM 1 /* Expect random page references. */
-# define POSIX_MADV_SEQUENTIAL 2 /* Expect sequential page references. */
-# define POSIX_MADV_WILLNEED 3 /* Will need these pages. */
-# define POSIX_MADV_DONTNEED 4 /* Don't need these pages. */
-#endif
-
-/* Flags for `mlockall'. */
-#ifndef MCL_CURRENT
-# define MCL_CURRENT 1 /* Lock all currently mapped pages. */
-# define MCL_FUTURE 2 /* Lock all additions to address
- space. */
-# define MCL_ONFAULT 4 /* Lock all pages that are
- faulted in. */
-#endif