github.com/MerlinKodo/gvisor@v0.0.0-20231110090155-957f62ecf90e/pkg/abi/linux/mm_arm64.go (about)

     1  // Copyright 2023 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  //go:build arm64
    16  // +build arm64
    17  
    18  package linux
    19  
    20  // Only 4K page size is supported on arm64. In this case, TASK_SIZE can
    21  // be one of three values, corresponding to 3-level, 4-level and
    22  // 5-level paging.
    23  //
    24  // The array has to be sorted in decreasing order.
    25  var feasibleTaskSizes = []uintptr{1 << 52, 1 << 48, 1 << 39}