blob: 00e55627d2dfbfa5abf2f8544a31c9507054c539 [file] [log] [blame]
Arnd Bergmann6103ec52009-05-13 22:56:27 +00001#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 */
Arnd Bergmann90f72aa2009-09-21 17:03:45 -070014#define MAP_HUGETLB 0x40000 /* create a huge page mapping */
Jan Karab6fb2932017-11-01 16:36:41 +010015#define MAP_SYNC 0x80000 /* perform synchronous page faults for the mapping */
Arnd Bergmann6103ec52009-05-13 22:56:27 +000016
Andi Kleen42d73952012-12-11 16:01:34 -080017/* Bits [26:31] are reserved, see mman-common.h for MAP_HUGETLB usage */
18
Arnd Bergmann6103ec52009-05-13 22:56:27 +000019#define MCL_CURRENT 1 /* lock all current mappings */
20#define MCL_FUTURE 2 /* lock all future mappings */
Eric B Munsonb0f205c2015-11-05 18:51:39 -080021#define MCL_ONFAULT 4 /* lock all pages that are faulted in */
Arnd Bergmann6103ec52009-05-13 22:56:27 +000022
23#endif /* __ASM_GENERIC_MMAN_H */