| Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 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 */ |
| Christopher Ferris | a1a109e | 2018-01-31 15:03:12 -0800 | [diff] [blame] | 16 | #define MAP_SYNC 0x80000 /* perform synchronous page faults for the mapping */ |
| Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 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 */ |
| Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 22 | #define MCL_ONFAULT 4 /* lock all pages that are faulted in */ |
| Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 23 | |
| 24 | #endif /* __ASM_GENERIC_MMAN_H */ |