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 | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/kernel/power/process.c b/kernel/power/process.c index 444cea8..ce9e280 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/syscalls.h> #include <linux/freezer.h> +#include <linux/cgroup_freezer.h> /* * Timeout for stopping processes @@ -135,6 +136,9 @@ 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); -- 1.5.3.7 -- _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
