/usr/include/x86_64-linux-gnu/asm/mman.h is in linux-libc-dev 4.4.0-21.37.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | #ifndef _ASM_X86_MMAN_H
#define _ASM_X86_MMAN_H
#define MAP_32BIT 0x40 /* only give out 32bit addresses */
#define MAP_HUGE_2MB (21 << MAP_HUGE_SHIFT)
#define MAP_HUGE_1GB (30 << MAP_HUGE_SHIFT)
#include <asm-generic/mman.h>
#endif /* _ASM_X86_MMAN_H */
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