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Diffstat (limited to 'pkg/abi/linux/mm.go')
-rw-r--r-- | pkg/abi/linux/mm.go | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/pkg/abi/linux/mm.go b/pkg/abi/linux/mm.go new file mode 100644 index 000000000..0b02f938a --- /dev/null +++ b/pkg/abi/linux/mm.go @@ -0,0 +1,116 @@ +// Copyright 2018 The gVisor Authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package linux + +// Protections for mmap(2). +const ( + PROT_NONE = 0 + PROT_READ = 1 << 0 + PROT_WRITE = 1 << 1 + PROT_EXEC = 1 << 2 + PROT_SEM = 1 << 3 + PROT_GROWSDOWN = 1 << 24 + PROT_GROWSUP = 1 << 25 +) + +// Flags for mmap(2). +const ( + MAP_SHARED = 1 << 0 + MAP_PRIVATE = 1 << 1 + MAP_FIXED = 1 << 4 + MAP_ANONYMOUS = 1 << 5 + MAP_32BIT = 1 << 6 // arch/x86/include/uapi/asm/mman.h + MAP_GROWSDOWN = 1 << 8 + MAP_DENYWRITE = 1 << 11 + MAP_EXECUTABLE = 1 << 12 + MAP_LOCKED = 1 << 13 + MAP_NORESERVE = 1 << 14 + MAP_POPULATE = 1 << 15 + MAP_NONBLOCK = 1 << 16 + MAP_STACK = 1 << 17 + MAP_HUGETLB = 1 << 18 +) + +// Flags for mremap(2). +const ( + MREMAP_MAYMOVE = 1 << 0 + MREMAP_FIXED = 1 << 1 +) + +// Flags for mlock2(2). +const ( + MLOCK_ONFAULT = 0x01 +) + +// Flags for mlockall(2). +const ( + MCL_CURRENT = 1 + MCL_FUTURE = 2 + MCL_ONFAULT = 4 +) + +// Advice for madvise(2). +const ( + MADV_NORMAL = 0 + MADV_RANDOM = 1 + MADV_SEQUENTIAL = 2 + MADV_WILLNEED = 3 + MADV_DONTNEED = 4 + MADV_REMOVE = 9 + MADV_DONTFORK = 10 + MADV_DOFORK = 11 + MADV_MERGEABLE = 12 + MADV_UNMERGEABLE = 13 + MADV_HUGEPAGE = 14 + MADV_NOHUGEPAGE = 15 + MADV_DONTDUMP = 16 + MADV_DODUMP = 17 + MADV_HWPOISON = 100 + MADV_SOFT_OFFLINE = 101 + MADV_NOMAJFAULT = 200 + MADV_DONTCHGME = 201 +) + +// Flags for msync(2). +const ( + MS_ASYNC = 1 << 0 + MS_INVALIDATE = 1 << 1 + MS_SYNC = 1 << 2 +) + +// Policies for get_mempolicy(2)/set_mempolicy(2). +const ( + MPOL_DEFAULT = 0 + MPOL_PREFERRED = 1 + MPOL_BIND = 2 + MPOL_INTERLEAVE = 3 + MPOL_LOCAL = 4 + MPOL_MAX = 5 +) + +// Flags for get_mempolicy(2). +const ( + MPOL_F_NODE = 1 << 0 + MPOL_F_ADDR = 1 << 1 + MPOL_F_MEMS_ALLOWED = 1 << 2 +) + +// Flags for set_mempolicy(2). +const ( + MPOL_F_RELATIVE_NODES = 1 << 14 + MPOL_F_STATIC_NODES = 1 << 15 + + MPOL_MODE_FLAGS = (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES) +) |