From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932746AbcGOKig (ORCPT ); Fri, 15 Jul 2016 06:38:36 -0400 Received: from mail-wm0-f66.google.com ([74.125.82.66]:33971 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932668AbcGOKhw (ORCPT ); Fri, 15 Jul 2016 06:37:52 -0400 From: Topi Miettinen To: linux-kernel@vger.kernel.org Cc: Topi Miettinen , Andrew Morton , Ingo Molnar , Oleg Nesterov , "Amanieu d'Antras" , Stas Sergeev , Andy Lutomirski , Wang Xiaoqiang , Sasha Levin , Dave Hansen Subject: [PATCH 11/14] resource limits: track highwater mark of number of pending signals Date: Fri, 15 Jul 2016 13:35:58 +0300 Message-Id: <1468578983-28229-12-git-send-email-toiwoton@gmail.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1468578983-28229-1-git-send-email-toiwoton@gmail.com> References: <1468578983-28229-1-git-send-email-toiwoton@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Track maximum number of pending signals, to be able to configure RLIMIT_SIGPENDING resource limits. The information is available with taskstats and cgroupstats netlink socket. Signed-off-by: Topi Miettinen --- kernel/signal.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/signal.c b/kernel/signal.c index 96e9bc4..670d609 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -387,6 +387,8 @@ __sigqueue_alloc(int sig, struct task_struct *t, gfp_t flags, int override_rlimi INIT_LIST_HEAD(&q->list); q->flags = 0; q->user = user; + task_update_resource_highwatermark(t, RLIMIT_SIGPENDING, + atomic_read(&user->sigpending)); } return q; -- 2.8.1