2018-02-06 Joseph Myers <joseph@codesourcery.com>
+ * sysdeps/unix/sysv/linux/aarch64/bits/mman.h [__USE_MISC]
+ (MAP_SYNC): New macro.
+ * sysdeps/unix/sysv/linux/arm/bits/mman.h [__USE_MISC] (MAP_SYNC):
+ Likewise.
+ * sysdeps/unix/sysv/linux/ia64/bits/mman.h [__USE_MISC]
+ (MAP_SYNC): Likewise.
+ * sysdeps/unix/sysv/linux/m68k/bits/mman.h [__USE_MISC]
+ (MAP_SYNC): Likewise.
+ * sysdeps/unix/sysv/linux/microblaze/bits/mman.h [__USE_MISC]
+ (MAP_SYNC): Likewise.
+ * sysdeps/unix/sysv/linux/nios2/bits/mman.h [__USE_MISC]
+ (MAP_SYNC): Likewise.
+ * sysdeps/unix/sysv/linux/riscv/bits/mman.h [__USE_MISC]
+ (MAP_SYNC): Likewise.
+ * sysdeps/unix/sysv/linux/s390/bits/mman.h [__USE_MISC]
+ (MAP_SYNC): Likewise.
+ * sysdeps/unix/sysv/linux/sh/bits/mman.h [__USE_MISC] (MAP_SYNC):
+ Likewise.
+ * sysdeps/unix/sysv/linux/x86/bits/mman.h [__USE_MISC] (MAP_SYNC):
+ Likewise.
+
* sysdeps/unix/sysv/linux/bits/mman-linux.h [__USE_MISC]
(MAP_SHARED_VALIDATE): New macro.
* sysdeps/unix/sysv/linux/hppa/bits/mman.h [__USE_MISC]