From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1424305AbcFMTsd (ORCPT ); Mon, 13 Jun 2016 15:48:33 -0400 Received: from mail-wm0-f65.google.com ([74.125.82.65]:36672 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423023AbcFMTsa (ORCPT ); Mon, 13 Jun 2016 15:48:30 -0400 From: Topi Miettinen To: linux-kernel@vger.kernel.org Cc: Topi Miettinen , Andrew Morton , Michal Hocko , Al Viro , Doug Ledford , Vladimir Davydov , Marcus Gelderie , "Kirill A. Shutemov" Subject: [RFC 15/18] limits: track RLIMIT_MSGQUEUE actual max Date: Mon, 13 Jun 2016 22:44:22 +0300 Message-Id: <1465847065-3577-16-git-send-email-toiwoton@gmail.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1465847065-3577-1-git-send-email-toiwoton@gmail.com> References: <1465847065-3577-1-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 size of message queues, presented in /proc/self/limits. Signed-off-by: Topi Miettinen --- ipc/mqueue.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/ipc/mqueue.c b/ipc/mqueue.c index ade739f..edccf55 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -287,6 +287,8 @@ static struct inode *mqueue_get_inode(struct super_block *sb, /* all is ok */ info->user = get_uid(u); + /* XXX resource limits apply per task, not per user */ + bump_rlimit(RLIMIT_MSGQUEUE, u->mq_bytes); } else if (S_ISDIR(mode)) { inc_nlink(inode); /* Some things misbehave if size == 0 on a directory */ -- 2.8.1