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moby--moby/daemon/update_linux.go

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// +build linux
package daemon
import (
"time"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/libcontainerd"
specs "github.com/opencontainers/runtime-spec/specs-go"
)
func toContainerdResources(resources container.Resources) *libcontainerd.Resources {
var r libcontainerd.Resources
r.BlockIO = &specs.LinuxBlockIO{
Weight: &resources.BlkioWeight,
}
shares := uint64(resources.CPUShares)
r.CPU = &specs.LinuxCPU{
Shares: &shares,
Cpus: resources.CpusetCpus,
Mems: resources.CpusetMems,
}
var (
period uint64
quota int64
)
if resources.NanoCPUs != 0 {
period = uint64(100 * time.Millisecond / time.Microsecond)
quota = resources.NanoCPUs * int64(period) / 1e9
}
r.CPU.Period = &period
r.CPU.Quota = &quota
r.Memory = &specs.LinuxMemory{
Limit: &resources.Memory,
Reservation: &resources.MemoryReservation,
Kernel: &resources.KernelMemory,
}
if resources.MemorySwap > 0 {
r.Memory.Swap = &resources.MemorySwap
}
return &r
}