When all the tasks of a cgroup were successfully frozen we can avoid the lazy FREEZING -> FROZEN transition and move into FROZEN during the write to freezer.state.
Signed-off-by: Matt Helsley <[email protected]> --- kernel/cgroup_freezer.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c index 765e2c1..19702ac 100644 --- a/kernel/cgroup_freezer.c +++ b/kernel/cgroup_freezer.c @@ -286,7 +286,10 @@ static int try_to_freeze_cgroup(struct cgroup *cgroup, struct freezer *freezer) } cgroup_iter_end(cgroup, &it); - return num_cant_freeze_now ? -EBUSY : 0; + if (num_cant_freeze_now) + return -EBUSY; + freezer->state = CGROUP_FROZEN; + return 0; } static void unfreeze_cgroup(struct cgroup *cgroup, struct freezer *freezer) -- 1.5.6.3 _______________________________________________ Containers mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/containers _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
