1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __ASM_GENERIC_MMAN_H 2 #ifndef __ASM_GENERIC_MMAN_H
3 #define __ASM_GENERIC_MMAN_H 3 #define __ASM_GENERIC_MMAN_H
4 4
5 #include <asm-generic/mman-common.h> 5 #include <asm-generic/mman-common.h>
6 6
7 #define MAP_GROWSDOWN 0x0100 /* sta 7 #define MAP_GROWSDOWN 0x0100 /* stack-like segment */
8 #define MAP_DENYWRITE 0x0800 /* ETX 8 #define MAP_DENYWRITE 0x0800 /* ETXTBSY */
9 #define MAP_EXECUTABLE 0x1000 /* mar 9 #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
10 #define MAP_LOCKED 0x2000 /* pag 10 #define MAP_LOCKED 0x2000 /* pages are locked */
11 #define MAP_NORESERVE 0x4000 /* don 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 */
12 17
13 /* !! 18 /* Bits [26:31] are reserved, see mman-common.h for MAP_HUGETLB usage */
14 * Bits [26:31] are reserved, see asm-generic/ <<
15 * for MAP_HUGETLB usage <<
16 */ <<
17 19
18 #define MCL_CURRENT 1 /* loc 20 #define MCL_CURRENT 1 /* lock all current mappings */
19 #define MCL_FUTURE 2 /* loc 21 #define MCL_FUTURE 2 /* lock all future mappings */
20 #define MCL_ONFAULT 4 /* loc 22 #define MCL_ONFAULT 4 /* lock all pages that are faulted in */
21 23
22 #endif /* __ASM_GENERIC_MMAN_H */ 24 #endif /* __ASM_GENERIC_MMAN_H */
23 25
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