Quoting Gowrishankar M (gowrishankar.m@xxxxxxxxxxxxxxxxxx): > From: Gowrishankar M <gomuthuk@xxxxxxxxxxxxxxxxxx> > > At present we scan all processes in init namespace, whether in new namespace > or not, to send signal to all processes for container. Also we filter out > processes belonging to same namespace using task_pid_vnr(). > > Below patch proposes to use new macro controller to save time using pidmap. > In init namespace, this saving can be more or less achieved, as we check to > take every process with task_pid_vnr() otherwise. > > Signed-off-by: Gowrishankar M <gowrishankar.m@xxxxxxxxxxxxxxxxxx> Acked-by: Serge Hallyn <serue@xxxxxxxxxx> > --- > kernel/signal.c | 5 ++--- > 1 files changed, 2 insertions(+), 3 deletions(-) > > diff --git a/kernel/signal.c b/kernel/signal.c > index 4530fc6..a2651bc 100644 > --- a/kernel/signal.c > +++ b/kernel/signal.c > @@ -1143,9 +1143,8 @@ static int kill_something_info(int sig, struct siginfo *info, pid_t pid) > int retval = 0, count = 0; > struct task_struct * p; > > - for_each_process(p) { > - if (task_pid_vnr(p) > 1 && > - !same_thread_group(p, current)) { > + for_each_process_in_ns(p, current->nsproxy->pid_ns) { > + if (!same_thread_group(p, current)) { > int err = group_send_sig_info(sig, info, p); > ++count; > if (err != -EPERM) > -- > 1.5.5.1 _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers