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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 | #define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ | |
13 | #define MAP_NONBLOCK 0x10000 /* do not block on IO */ | |
14 | #define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ | |
15 | #define MAP_HUGETLB 0x40000 /* create a huge page mapping */ | |
16 | #define MAP_SYNC 0x80000 /* perform synchronous page faults for the mapping */ | |
17 | ||
18 | /* Bits [26:31] are reserved, see mman-common.h for MAP_HUGETLB usage */ | |
19 | ||
20 | #define MCL_CURRENT 1 /* lock all current mappings */ | |
21 | #define MCL_FUTURE 2 /* lock all future mappings */ | |
22 | #define MCL_ONFAULT 4 /* lock all pages that are faulted in */ | |
23 | ||
24 | #endif /* __ASM_GENERIC_MMAN_H */ |