From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id CBBAD2112B1E8 for ; Wed, 12 Sep 2018 09:43:28 -0700 (PDT) Subject: Re: [PATCH 1/4] mm: Provide kernel parameter to allow disabling page init poisoning References: <20180910232615.4068.29155.stgit@localhost.localdomain> <20180910234341.4068.26882.stgit@localhost.localdomain> <20180912141053.GL10951@dhcp22.suse.cz> <841e8101-40db-9ff2-f688-5f175d91fc31@intel.com> From: Dave Hansen Message-ID: <68ccf46e-8c1e-c796-df35-afb5b295d6ea@intel.com> Date: Wed, 12 Sep 2018 09:43:27 -0700 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: Alexander Duyck , mhocko@kernel.org, pavel.tatashin@microsoft.com, dan.j.williams@intel.com Cc: linux-nvdimm@lists.01.org, LKML , linux-mm , jglisse@redhat.com, Andrew Morton , Ingo Molnar , "Kirill A. Shutemov" List-ID: On 09/12/2018 09:36 AM, Alexander Duyck wrote: >> vm_debug = [KNL] Available with CONFIG_DEBUG_VM=y. >> May slow down boot speed, especially on larger- >> memory systems when enabled. >> off: turn off all runtime VM debug features >> all: turn on all debug features (default) > This would introduce a significant amount of code change if we do it > as a parameter that has control over everything. Sure, but don't do that now. Just put page poisoning under it now. _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm