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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

mman.h (1856B)

    

  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef _LINUX_MMAN_H
  3. #define _LINUX_MMAN_H
  5. #include <asm/mman.h>
  6. #include <asm-generic/hugetlb_encode.h>
  7. #include <linux/types.h>
  9. #define MREMAP_MAYMOVE		1
  10. #define MREMAP_FIXED		2
  11. #define MREMAP_DONTUNMAP	4
  13. #define OVERCOMMIT_GUESS		0
  14. #define OVERCOMMIT_ALWAYS		1
  15. #define OVERCOMMIT_NEVER		2
  17. #define MAP_SHARED	0x01		/* Share changes */
  18. #define MAP_PRIVATE	0x02		/* Changes are private */
  19. #define MAP_SHARED_VALIDATE 0x03	/* share + validate extension flags */
  20. #define MAP_DROPPABLE	0x08		/* Zero memory under memory pressure. */
  22. /*
  23.  * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
  24.  * size other than the default is desired.  See hugetlb_encode.h.
  25.  * All known huge page size encodings are provided here.  It is the
  26.  * responsibility of the application to know which sizes are supported on
  27.  * the running system.  See mmap(2) man page for details.
  28.  */
  29. #define MAP_HUGE_SHIFT	HUGETLB_FLAG_ENCODE_SHIFT
  30. #define MAP_HUGE_MASK	HUGETLB_FLAG_ENCODE_MASK
  32. #define MAP_HUGE_16KB	HUGETLB_FLAG_ENCODE_16KB
  33. #define MAP_HUGE_64KB	HUGETLB_FLAG_ENCODE_64KB
  34. #define MAP_HUGE_512KB	HUGETLB_FLAG_ENCODE_512KB
  35. #define MAP_HUGE_1MB	HUGETLB_FLAG_ENCODE_1MB
  36. #define MAP_HUGE_2MB	HUGETLB_FLAG_ENCODE_2MB
  37. #define MAP_HUGE_8MB	HUGETLB_FLAG_ENCODE_8MB
  38. #define MAP_HUGE_16MB	HUGETLB_FLAG_ENCODE_16MB
  39. #define MAP_HUGE_32MB	HUGETLB_FLAG_ENCODE_32MB
  40. #define MAP_HUGE_256MB	HUGETLB_FLAG_ENCODE_256MB
  41. #define MAP_HUGE_512MB	HUGETLB_FLAG_ENCODE_512MB
  42. #define MAP_HUGE_1GB	HUGETLB_FLAG_ENCODE_1GB
  43. #define MAP_HUGE_2GB	HUGETLB_FLAG_ENCODE_2GB
  44. #define MAP_HUGE_16GB	HUGETLB_FLAG_ENCODE_16GB
  46. struct cachestat_range {
  47. 	__u64 off;
  48. 	__u64 len;
  49. };
  51. struct cachestat {
  52. 	__u64 nr_cache;
  53. 	__u64 nr_dirty;
  54. 	__u64 nr_writeback;
  55. 	__u64 nr_evicted;
  56. 	__u64 nr_recently_evicted;
  57. };
  59. #endif /* _LINUX_MMAN_H */