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Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef __ASM_GENERIC_MMAN_H
3#define __ASM_GENERIC_MMAN_H
4
David Brazdil0f672f62019-12-10 10:32:29 +00005#include <asm-generic/mman-common-tools.h>
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00006
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 */
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000012
David Brazdil0f672f62019-12-10 10:32:29 +000013/*
14 * Bits [26:31] are reserved, see asm-generic/hugetlb_encode.h
15 * for MAP_HUGETLB usage
16 */
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000017
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 */