func setup() {
if setupDone {
return
}
mount.MountNamespace()
if err := mount.MountTmpfs("/dev/shm", *tmpfsSize); err != nil {
panic(err)
}
if err := mount.MountHugetlbfs("/dev/hugepages", 2<<20, *hugeSize); err != nil {
panic(err)
}
setupDone = true
}
func setup() {
// zero-sized directory just for mounts
if err := os.MkdirAll(mountDir, 0777); err != nil {
panic(err)
}
if err := mount.MountTmpfs(mountDir, 0); err != nil {
panic(err)
}
if err := mount.MountTmpfs("/dev/shm", 14<<30); err != nil {
panic(err)
}
if err := mount.MountHugetlbfs("/dev/hugepages", 2<<20, 4<<30); err != nil {
panic(err)
}
setupDone = true
}