/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
#ifndef _UAPI_LINUX_MMAN_H
|
#define _UAPI_LINUX_MMAN_H
|
|
#include <asm/mman.h>
|
#include <asm-generic/hugetlb_encode.h>
|
|
#define MREMAP_MAYMOVE 1
|
#define MREMAP_FIXED 2
|
#define MREMAP_DONTUNMAP 4
|
|
#define OVERCOMMIT_GUESS 0
|
#define OVERCOMMIT_ALWAYS 1
|
#define OVERCOMMIT_NEVER 2
|
|
#define MAP_SHARED 0x01 /* Share changes */
|
#define MAP_PRIVATE 0x02 /* Changes are private */
|
#define MAP_SHARED_VALIDATE 0x03 /* share + validate extension flags */
|
|
/*
|
* Huge page size encoding when MAP_HUGETLB is specified, and a huge page
|
* size other than the default is desired. See hugetlb_encode.h.
|
* All known huge page size encodings are provided here. It is the
|
* responsibility of the application to know which sizes are supported on
|
* the running system. See mmap(2) man page for details.
|
*/
|
#define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
|
#define MAP_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK
|
|
#define MAP_HUGE_16KB HUGETLB_FLAG_ENCODE_16KB
|
#define MAP_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB
|
#define MAP_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB
|
#define MAP_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB
|
#define MAP_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB
|
#define MAP_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB
|
#define MAP_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB
|
#define MAP_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB
|
#define MAP_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB
|
#define MAP_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB
|
#define MAP_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB
|
#define MAP_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB
|
#define MAP_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB
|
|
#endif /* _UAPI_LINUX_MMAN_H */
|
