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oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

memfd.h (1467B)

    

  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef _LINUX_MEMFD_H
  3. #define _LINUX_MEMFD_H
  5. #include <asm-generic/hugetlb_encode.h>
  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. /* not executable and sealed to prevent changing to executable. */
  12. #define MFD_NOEXEC_SEAL		0x0008U
  13. /* executable */
  14. #define MFD_EXEC		0x0010U
  16. /*
  17.  * Huge page size encoding when MFD_HUGETLB is specified, and a huge page
  18.  * size other than the default is desired.  See hugetlb_encode.h.
  19.  * All known huge page size encodings are provided here.  It is the
  20.  * responsibility of the application to know which sizes are supported on
  21.  * the running system.  See mmap(2) man page for details.
  22.  */
  23. #define MFD_HUGE_SHIFT	HUGETLB_FLAG_ENCODE_SHIFT
  24. #define MFD_HUGE_MASK	HUGETLB_FLAG_ENCODE_MASK
  26. #define MFD_HUGE_64KB	HUGETLB_FLAG_ENCODE_64KB
  27. #define MFD_HUGE_512KB	HUGETLB_FLAG_ENCODE_512KB
  28. #define MFD_HUGE_1MB	HUGETLB_FLAG_ENCODE_1MB
  29. #define MFD_HUGE_2MB	HUGETLB_FLAG_ENCODE_2MB
  30. #define MFD_HUGE_8MB	HUGETLB_FLAG_ENCODE_8MB
  31. #define MFD_HUGE_16MB	HUGETLB_FLAG_ENCODE_16MB
  32. #define MFD_HUGE_32MB	HUGETLB_FLAG_ENCODE_32MB
  33. #define MFD_HUGE_256MB	HUGETLB_FLAG_ENCODE_256MB
  34. #define MFD_HUGE_512MB	HUGETLB_FLAG_ENCODE_512MB
  35. #define MFD_HUGE_1GB	HUGETLB_FLAG_ENCODE_1GB
  36. #define MFD_HUGE_2GB	HUGETLB_FLAG_ENCODE_2GB
  37. #define MFD_HUGE_16GB	HUGETLB_FLAG_ENCODE_16GB
  39. #endif /* _LINUX_MEMFD_H */