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authorgVisor bot <gvisor-bot@google.com>2020-01-27 23:45:00 +0000
committergVisor bot <gvisor-bot@google.com>2020-01-27 23:45:00 +0000
commite26ce51d1a5e6ccdcf2dcb10aaf761e0264f7d51 (patch)
treea5a77be1c312396dd4e57482cb7213bf6f0a3910 /pkg/usermem/usermem_x86.go
parent39fc573e80eca187af64379bbf178da39a94cd29 (diff)
parent0e2f1b7abd219f39d67cc2cecd00c441a13eeb29 (diff)
Merge release-20200115.0-110-g0e2f1b7 (automated)
Diffstat (limited to 'pkg/usermem/usermem_x86.go')
-rwxr-xr-xpkg/usermem/usermem_x86.go38
1 files changed, 38 insertions, 0 deletions
diff --git a/pkg/usermem/usermem_x86.go b/pkg/usermem/usermem_x86.go
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+// 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.
+
+// +build amd64 i386
+
+package usermem
+
+import "encoding/binary"
+
+const (
+ // PageSize is the system page size.
+ PageSize = 1 << PageShift
+
+ // HugePageSize is the system huge page size.
+ HugePageSize = 1 << HugePageShift
+
+ // PageShift is the binary log of the system page size.
+ PageShift = 12
+
+ // HugePageShift is the binary log of the system huge page size.
+ HugePageShift = 21
+)
+
+var (
+ // ByteOrder is the native byte order (little endian).
+ ByteOrder = binary.LittleEndian
+)