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Kyle Swenson8d8f6542021-03-15 11:02:55 -06001#ifndef __ASM_GENERIC_MMAN_H
2#define __ASM_GENERIC_MMAN_H
3
4#include <asm-generic/mman-common.h>
5
6#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
7#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
8#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
9#define MAP_LOCKED 0x2000 /* pages are locked */
10#define MAP_NORESERVE 0x4000 /* don't check for reservations */
11#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */
12#define MAP_NONBLOCK 0x10000 /* do not block on IO */
13#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */
14#define MAP_HUGETLB 0x40000 /* create a huge page mapping */
15
16/* Bits [26:31] are reserved, see mman-common.h for MAP_HUGETLB usage */
17
18#define MCL_CURRENT 1 /* lock all current mappings */
19#define MCL_FUTURE 2 /* lock all future mappings */
20#define MCL_ONFAULT 4 /* lock all pages that are faulted in */
21
22#endif /* __ASM_GENERIC_MMAN_H */