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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _LINUX_MEMFD_H
3#define _LINUX_MEMFD_H
4
5#include <asm-generic/hugetlb_encode.h>
6
7/* flags for memfd_create(2) (unsigned int) */
8#define MFD_CLOEXEC 0x0001U
9#define MFD_ALLOW_SEALING 0x0002U
10#define MFD_HUGETLB 0x0004U
11
12/*
13 * Huge page size encoding when MFD_HUGETLB is specified, and a huge page
14 * size other than the default is desired. See hugetlb_encode.h.
15 * All known huge page size encodings are provided here. It is the
16 * responsibility of the application to know which sizes are supported on
17 * the running system. See mmap(2) man page for details.
18 */
19#define MFD_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
20#define MFD_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK
21
22#define MFD_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB
23#define MFD_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB
24#define MFD_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB
25#define MFD_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB
26#define MFD_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB
27#define MFD_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB
28#define MFD_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB
29#define MFD_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB
30#define MFD_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB
31#define MFD_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB
32
33#endif /* _LINUX_MEMFD_H */
34

Warning: That file was not part of the compilation database. It may have many parsing errors.