/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */#ifndef _LINUX_MEMFD_H#define _LINUX_MEMFD_H #include <asm-generic/hugetlb_encode.h> /* flags for memfd_create(2) (unsigned int) */#define MFD_CLOEXEC		0x0001U#define MFD_ALLOW_SEALING	0x0002U#define MFD_HUGETLB		0x0004U/* not executable and sealed to prevent changing to executable. */#define MFD_NOEXEC_SEAL		0x0008U/* executable */#define MFD_EXEC		0x0010U /* * Huge page size encoding when MFD_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 MFD_HUGE_SHIFT	HUGETLB_FLAG_ENCODE_SHIFT#define MFD_HUGE_MASK	HUGETLB_FLAG_ENCODE_MASK #define MFD_HUGE_64KB	HUGETLB_FLAG_ENCODE_64KB#define MFD_HUGE_512KB	HUGETLB_FLAG_ENCODE_512KB#define MFD_HUGE_1MB	HUGETLB_FLAG_ENCODE_1MB#define MFD_HUGE_2MB	HUGETLB_FLAG_ENCODE_2MB#define MFD_HUGE_8MB	HUGETLB_FLAG_ENCODE_8MB#define MFD_HUGE_16MB	HUGETLB_FLAG_ENCODE_16MB#define MFD_HUGE_32MB	HUGETLB_FLAG_ENCODE_32MB#define MFD_HUGE_256MB	HUGETLB_FLAG_ENCODE_256MB#define MFD_HUGE_512MB	HUGETLB_FLAG_ENCODE_512MB#define MFD_HUGE_1GB	HUGETLB_FLAG_ENCODE_1GB#define MFD_HUGE_2GB	HUGETLB_FLAG_ENCODE_2GB#define MFD_HUGE_16GB	HUGETLB_FLAG_ENCODE_16GB #endif /* _LINUX_MEMFD_H */