uapi/asm-generic/mman.h

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 #ifndef __ASM_GENERIC_MMAN_H
0003 #define __ASM_GENERIC_MMAN_H
0004
0005 #include <asm-generic/mman-common-tools.h>
0006
0007 #define MAP_GROWSDOWN   0x0100      /* stack-like segment */
0008 #define MAP_DENYWRITE   0x0800      /* ETXTBSY */
0009 #define MAP_EXECUTABLE  0x1000      /* mark it as an executable */
0010 #define MAP_LOCKED  0x2000      /* pages are locked */
0011 #define MAP_NORESERVE   0x4000      /* don't check for reservations */
0012
0013 /*
0014  * Bits [26:31] are reserved, see asm-generic/hugetlb_encode.h
0015  * for MAP_HUGETLB usage
0016  */
0017
0018 #define MCL_CURRENT 1       /* lock all current mappings */
0019 #define MCL_FUTURE  2       /* lock all future mappings */
0020 #define MCL_ONFAULT 4       /* lock all pages that are faulted in */
0021
0022 #endif /* __ASM_GENERIC_MMAN_H */