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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f71.google.com (mail-lf0-f71.google.com [209.85.215.71]) by kanga.kvack.org (Postfix) with ESMTP id CB6466B0260 for ; Fri, 15 Jul 2016 06:37:21 -0400 (EDT) Received: by mail-lf0-f71.google.com with SMTP id 33so69647032lfw.1 for ; Fri, 15 Jul 2016 03:37:21 -0700 (PDT) Received: from mail-wm0-x244.google.com (mail-wm0-x244.google.com. [2a00:1450:400c:c09::244]) by mx.google.com with ESMTPS id mm1si57898wjb.162.2016.07.15.03.37.20 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 15 Jul 2016 03:37:20 -0700 (PDT) Received: by mail-wm0-x244.google.com with SMTP id q128so1755778wma.1 for ; Fri, 15 Jul 2016 03:37:20 -0700 (PDT) From: Topi Miettinen 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> In-Reply-To: <1468578983-28229-1-git-send-email-toiwoton@gmail.com> References: <1468578983-28229-1-git-send-email-toiwoton@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: 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 , "open list:MEMORY MANAGEMENT" 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org