xref: /linux/include/uapi/asm-generic/mman.h (revision 0e9ab8e4d44ae9d9aaf213bfd2c90bbe7289337b)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __ASM_GENERIC_MMAN_H
3 #define __ASM_GENERIC_MMAN_H
4 
5 #include <asm-generic/mman-common.h>
6 
7 #define MAP_GROWSDOWN	0x0100		/* stack-like segment */
8 #define MAP_DENYWRITE	0x0800		/* ETXTBSY */
9 #define MAP_EXECUTABLE	0x1000		/* mark it as an executable */
10 #define MAP_LOCKED	0x2000		/* pages are locked */
11 #define MAP_NORESERVE	0x4000		/* don't check for reservations */
12 
13 /*
14  * Bits [26:31] are reserved, see asm-generic/hugetlb_encode.h
15  * for MAP_HUGETLB usage
16  */
17 
18 #define MCL_CURRENT	1		/* lock all current mappings */
19 #define MCL_FUTURE	2		/* lock all future mappings */
20 #define MCL_ONFAULT	4		/* lock all pages that are faulted in */
21 
22 #endif /* __ASM_GENERIC_MMAN_H */
23