From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932618AbcGOKhZ (ORCPT ); Fri, 15 Jul 2016 06:37:25 -0400 Received: from mail-wm0-f68.google.com ([74.125.82.68]:33755 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932592AbcGOKhV (ORCPT ); Fri, 15 Jul 2016 06:37:21 -0400 From: Topi Miettinen To: linux-kernel@vger.kernel.org Cc: Topi Miettinen , Andrew Morton , Oleg Nesterov , "Kirill A. Shutemov" , Chen Gang , Michal Hocko , Konstantin Khlebnikov , Andrea Arcangeli , Andrey Ryabinin , linux-mm@kvack.org (open list:MEMORY MANAGEMENT) Subject: [PATCH 05/14] resource limits: track highwater mark of stack size Date: Fri, 15 Jul 2016 13:35:52 +0300 Message-Id: <1468578983-28229-6-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 stack size, to be able to configure RLIMIT_STACK resource limits. The information is available with taskstats and cgroupstats netlink socket. Signed-off-by: Topi Miettinen --- mm/mmap.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/mmap.c b/mm/mmap.c index 0b10f56..305c456 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2019,6 +2019,8 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns if (security_vm_enough_memory_mm(mm, grow)) return -ENOMEM; + update_resource_highwatermark(RLIMIT_STACK, actual_size); + return 0; } -- 2.8.1