/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _LINUX_MMAN_H #define _LINUX_MMAN_H #include <asm/mman.h> #include <asm-generic/hugetlb_encode.h> #define MREMAP_MAYMOVE 1 #define MREMAP_FIXED 2 #define MREMAP_DONTUNMAP 4 #define OVERCOMMIT_GUESS 0 #define OVERCOMMIT_ALWAYS 1 #define OVERCOMMIT_NEVER 2 #define MAP_SHARED 0x01 /* Share changes */ #define MAP_PRIVATE 0x02 /* Changes are private */ #define MAP_SHARED_VALIDATE 0x03 /* share + validate extension flags */ /* * Huge page size encoding when MAP_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 MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT #define MAP_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK #define MAP_HUGE_16KB HUGETLB_FLAG_ENCODE_16KB #define MAP_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB #define MAP_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB #define MAP_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB #define MAP_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB #define MAP_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB #define MAP_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB #define MAP_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB #define MAP_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB #define MAP_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB #define MAP_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB #define MAP_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB #define MAP_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB #endif /* _LINUX_MMAN_H */