From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it0-x241.google.com (mail-it0-x241.google.com [IPv6:2607:f8b0:4001:c0b::241]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 39AE121127CC3 for ; Mon, 10 Sep 2018 17:35:46 -0700 (PDT) Received: by mail-it0-x241.google.com with SMTP id x79-v6so7474965ita.1 for ; Mon, 10 Sep 2018 17:35:46 -0700 (PDT) MIME-Version: 1.0 References: <20180910232615.4068.29155.stgit@localhost.localdomain> <20180910234341.4068.26882.stgit@localhost.localdomain> In-Reply-To: <20180910234341.4068.26882.stgit@localhost.localdomain> From: Alexander Duyck Date: Mon, 10 Sep 2018 17:35:34 -0700 Message-ID: Subject: Re: [PATCH 1/4] mm: Provide kernel parameter to allow disabling page init poisoning 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: linux-mm , LKML , linux-nvdimm@lists.01.org Cc: pavel.tatashin@microsoft.com, Michal Hocko , Dave Hansen , jglisse@redhat.com, Andrew Morton , Ingo Molnar , "Kirill A. Shutemov" List-ID: On Mon, Sep 10, 2018 at 4:43 PM Alexander Duyck wrote: > > From: Alexander Duyck > > On systems with a large amount of memory it can take a significant amount > of time to initialize all of the page structs with the PAGE_POISON_PATTERN > value. I have seen it take over 2 minutes to initialize a system with > over 12GB of RAM. Minor typo. I meant 12TB here, not 12GB. - Alex _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm