1 /* 2 * This header was generated from the Linux kernel headers by update_headers.py, 3 * to provide necessary information from kernel to userspace, such as constants, 4 * structures, and macros, and thus, contains no copyrightable information. 5 */ 6 #ifndef _UAPI_LINUX_MEMFD_H 7 #define _UAPI_LINUX_MEMFD_H 8 #include <asm-generic/hugetlb_encode.h> 9 #define MFD_CLOEXEC 0x0001U 10 #define MFD_ALLOW_SEALING 0x0002U 11 #define MFD_HUGETLB 0x0004U 12 #define MFD_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT 13 #define MFD_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK 14 #define MFD_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB 15 #define MFD_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB 16 #define MFD_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB 17 #define MFD_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB 18 #define MFD_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB 19 #define MFD_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB 20 #define MFD_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB 21 #define MFD_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB 22 #define MFD_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB 23 #define MFD_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB 24 #define MFD_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB 25 #define MFD_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB 26 #endif 27