When a system is resumed after a suspend, it will also unfreeze frozen cgroups. This patchs modifies the resume sequence to skip the tasks which are part of a frozen control group. Signed-off-by: Cedric Le Goater <clg@xxxxxxxxxx> Signed-off-by: Matt Helsley <matthltc@xxxxxxxxxx> Acked-by: Serge E. Hallyn <serue@xxxxxxxxxx> Tested-by: Matt Helsley <matthltc@xxxxxxxxxx> --- kernel/power/process.c | 3 +++ 1 file changed, 3 insertions(+) Index: linux-2.6.27-rc1-mm1/kernel/power/process.c =================================================================== --- linux-2.6.27-rc1-mm1.orig/kernel/power/process.c +++ linux-2.6.27-rc1-mm1/kernel/power/process.c @@ -135,6 +135,9 @@ static void thaw_tasks(bool nosig_only) if (nosig_only && should_send_signal(p)) continue; + if (cgroup_frozen(p)) + continue; + thaw_process(p); } while_each_thread(g, p); read_unlock(&tasklist_lock); -- _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
