16f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2607ca46eSDavid Howells #ifndef _UAPI_LINUX_MMAN_H 3607ca46eSDavid Howells #define _UAPI_LINUX_MMAN_H 4607ca46eSDavid Howells 5607ca46eSDavid Howells #include <asm/mman.h> 6aafd4562SMike Kravetz #include <asm-generic/hugetlb_encode.h> 7*cf264e13SNhat Pham #include <linux/types.h> 8607ca46eSDavid Howells 9607ca46eSDavid Howells #define MREMAP_MAYMOVE 1 10607ca46eSDavid Howells #define MREMAP_FIXED 2 11e346b381SBrian Geffon #define MREMAP_DONTUNMAP 4 12607ca46eSDavid Howells 13607ca46eSDavid Howells #define OVERCOMMIT_GUESS 0 14607ca46eSDavid Howells #define OVERCOMMIT_ALWAYS 1 15607ca46eSDavid Howells #define OVERCOMMIT_NEVER 2 16607ca46eSDavid Howells 17746c9398SMichael S. Tsirkin #define MAP_SHARED 0x01 /* Share changes */ 18746c9398SMichael S. Tsirkin #define MAP_PRIVATE 0x02 /* Changes are private */ 19746c9398SMichael S. Tsirkin #define MAP_SHARED_VALIDATE 0x03 /* share + validate extension flags */ 20746c9398SMichael S. Tsirkin 21aafd4562SMike Kravetz /* 22aafd4562SMike Kravetz * Huge page size encoding when MAP_HUGETLB is specified, and a huge page 23aafd4562SMike Kravetz * size other than the default is desired. See hugetlb_encode.h. 24aafd4562SMike Kravetz * All known huge page size encodings are provided here. It is the 25aafd4562SMike Kravetz * responsibility of the application to know which sizes are supported on 26aafd4562SMike Kravetz * the running system. See mmap(2) man page for details. 27aafd4562SMike Kravetz */ 28aafd4562SMike Kravetz #define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT 29aafd4562SMike Kravetz #define MAP_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK 30aafd4562SMike Kravetz 31e47168f3SChristophe Leroy #define MAP_HUGE_16KB HUGETLB_FLAG_ENCODE_16KB 32aafd4562SMike Kravetz #define MAP_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB 33aafd4562SMike Kravetz #define MAP_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB 34aafd4562SMike Kravetz #define MAP_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB 35aafd4562SMike Kravetz #define MAP_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB 36aafd4562SMike Kravetz #define MAP_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB 37aafd4562SMike Kravetz #define MAP_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB 3820916d46SAnshuman Khandual #define MAP_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB 39aafd4562SMike Kravetz #define MAP_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB 4020916d46SAnshuman Khandual #define MAP_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB 41aafd4562SMike Kravetz #define MAP_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB 42aafd4562SMike Kravetz #define MAP_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB 43aafd4562SMike Kravetz #define MAP_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB 44aafd4562SMike Kravetz 45*cf264e13SNhat Pham struct cachestat_range { 46*cf264e13SNhat Pham __u64 off; 47*cf264e13SNhat Pham __u64 len; 48*cf264e13SNhat Pham }; 49*cf264e13SNhat Pham 50*cf264e13SNhat Pham struct cachestat { 51*cf264e13SNhat Pham __u64 nr_cache; 52*cf264e13SNhat Pham __u64 nr_dirty; 53*cf264e13SNhat Pham __u64 nr_writeback; 54*cf264e13SNhat Pham __u64 nr_evicted; 55*cf264e13SNhat Pham __u64 nr_recently_evicted; 56*cf264e13SNhat Pham }; 57*cf264e13SNhat Pham 58607ca46eSDavid Howells #endif /* _UAPI_LINUX_MMAN_H */ 59