kernel/include/uapi/asm-generic/mman.h
2024-07-22 17:22:30 +08:00

23 lines
740 B
C

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __ASM_GENERIC_MMAN_H
#define __ASM_GENERIC_MMAN_H
#include <asm-generic/mman-common.h>
#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
#define MAP_LOCKED 0x2000 /* pages are locked */
#define MAP_NORESERVE 0x4000 /* don't check for reservations */
/*
* Bits [26:31] are reserved, see asm-generic/hugetlb_encode.h
* for MAP_HUGETLB usage
*/
#define MCL_CURRENT 1 /* lock all current mappings */
#define MCL_FUTURE 2 /* lock all future mappings */
#define MCL_ONFAULT 4 /* lock all pages that are faulted in */
#endif /* __ASM_GENERIC_MMAN_H */