Move //pkg/sentry/memutil to //pkg/memutil.

PiperOrigin-RevId: 252124156

3 files changed, 0 insertions, 69 deletions

diff --git a/pkg/sentry/memutil/BUILD b/pkg/sentry/memutil/BUILD
deleted file mode 100644
index 68b03d4cc..000000000
--- a/pkg/sentry/memutil/BUILD
+++ /dev/null
@@ -1,14 +0,0 @@
-load("//tools/go_stateify:defs.bzl", "go_library")
-
-package(licenses = ["notice"])
-
-go_library(
-    name = "memutil",
-    srcs = [
-        "memutil.go",
-        "memutil_unsafe.go",
-    ],
-    importpath = "gvisor.googlesource.com/gvisor/pkg/sentry/memutil",
-    visibility = ["//pkg/sentry:internal"],
-    deps = ["@org_golang_x_sys//unix:go_default_library"],
-)
diff --git a/pkg/sentry/memutil/memutil.go b/pkg/sentry/memutil/memutil.go
deleted file mode 100644
index a4154c42a..000000000
--- a/pkg/sentry/memutil/memutil.go
+++ /dev/null
@@ -1,16 +0,0 @@
-// 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 memutil contains the utility functions for memory operations.
-package memutil
diff --git a/pkg/sentry/memutil/memutil_unsafe.go b/pkg/sentry/memutil/memutil_unsafe.go
deleted file mode 100644
index 92eab8a26..000000000
--- a/pkg/sentry/memutil/memutil_unsafe.go
+++ /dev/null
@@ -1,39 +0,0 @@
-// 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 memutil
-
-import (
-	"fmt"
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/sys/unix"
-)
-
-// CreateMemFD creates a memfd file and returns the fd.
-func CreateMemFD(name string, flags int) (int, error) {
-	p, err := syscall.BytePtrFromString(name)
-	if err != nil {
-		return -1, err
-	}
-	fd, _, e := syscall.Syscall(unix.SYS_MEMFD_CREATE, uintptr(unsafe.Pointer(p)), uintptr(flags), 0)
-	if e != 0 {
-		if e == syscall.ENOSYS {
-			return -1, fmt.Errorf("memfd_create(2) is not implemented. Check that you have Linux 3.17 or higher")
-		}
-		return -1, e
-	}
-	return int(fd), nil
-}