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-rw-r--r--vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_linux.go12
1 files changed, 12 insertions, 0 deletions
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_linux.go b/vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_linux.go
index a1e7f0afd..5ea9d940c 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_linux.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_linux.go
@@ -131,4 +131,16 @@ type Resources struct {
//
// NOTE it is impossible to start a container which has this flag set.
SkipDevices bool `json:"-"`
+
+ // SkipFreezeOnSet is a flag for cgroup manager to skip the cgroup
+ // freeze when setting resources. Only applicable to systemd legacy
+ // (i.e. cgroup v1) manager (which uses freeze by default to avoid
+ // spurious permission errors caused by systemd inability to update
+ // device rules in a non-disruptive manner).
+ //
+ // If not set, a few methods (such as looking into cgroup's
+ // devices.list and querying the systemd unit properties) are used
+ // during Set() to figure out whether the freeze is required. Those
+ // methods may be relatively slow, thus this flag.
+ SkipFreezeOnSet bool `json:"-"`
}