From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4AEE5C04AA9 for ; Thu, 2 May 2019 17:44:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2325D20652 for ; Thu, 2 May 2019 17:44:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=soleen.com header.i=@soleen.com header.b="QXat18OM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726504AbfEBRoi (ORCPT ); Thu, 2 May 2019 13:44:38 -0400 Received: from mail-ed1-f51.google.com ([209.85.208.51]:32823 "EHLO mail-ed1-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726145AbfEBRoh (ORCPT ); Thu, 2 May 2019 13:44:37 -0400 Received: by mail-ed1-f51.google.com with SMTP id n17so2892183edb.0 for ; Thu, 02 May 2019 10:44:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=soleen.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=DaSPhFrdJ9xcb9w7nOB/hv2LmsH6V06QJTIIuydXt8E=; b=QXat18OMVYiFj1J2lwckErIND4VxtD7m3nZmTH2CGaJZ+Hw7fVyhiWqHLoK622HkMp U9yMIC+ePTVWRGsI21RjnrUuMDsRxTmmjgzsyI3fQ3Qprp0+kiDd7tOOuYY19ZJMOfhl l/1rt08HauRtiP2hRqk2NjpJPuP+O+9ngov5zkBNLTuR7qrPf6ExGNub4tU8rsI/TrCn n8s8mKEfj18Fxht+PV1z/8GAgInkc9Qc/e9giORQoOAL+mVUg59lDwUFBXIKKGSVU4af HayfIxQWJSZlQl6kr16/h15Hk5Reu50LKaP/QJCHnyPavmaX8LyepIFk7cqxBrWSjJxB gfgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=DaSPhFrdJ9xcb9w7nOB/hv2LmsH6V06QJTIIuydXt8E=; b=Qx1rAaJurspK23qrm6GiT/i/ww/5ItMjcBo+dhH15T013+enih8+f8TkfMXm61seZm CCOLAJBlUqIWO6tLn20OyQB1u6C7M3ucljNGXYJ7m+C/CauFUUm5ck4ZcmuF2eSp/5BT AZzHJ7/EL9cqPymFmj1rpbboTPOFmM8dvuobkpeqCmoqBFIkInV1a66R49SjMfc9CLcc rzadLlQXpYuWz/ACVCAfy+4SzlKvw4f7YULTywZONoWGDSE3o2eJPQUCFt62up3hvaks zQkPM4PsM0Lgz812ANuB9jsbZSuhfLLv+1x0RpPGpBLaAcBTwwHMtyBNE3GyH2HsEgVr dEoQ== X-Gm-Message-State: APjAAAXL0m3mRQ55/DkmCWN5Wp+2JEKhD6autdGG8OxVIUPUFTgoznWh uBffUfZK+hX05BG4B6kZGc7hyKIvKHbG6p0O4Xl6EA== X-Google-Smtp-Source: APXvYqwFjCWrvwlJewJq8jESh0fLZdmcYO3yLeAKyzDonK3UsuXpek6fTdQl1z2LIrzbiszd7BG6f/7lz+swTO1hQHI= X-Received: by 2002:a50:a951:: with SMTP id m17mr3313780edc.79.1556819075931; Thu, 02 May 2019 10:44:35 -0700 (PDT) MIME-Version: 1.0 References: <20190501191846.12634-1-pasha.tatashin@soleen.com> <20190501191846.12634-3-pasha.tatashin@soleen.com> <20190502173419.GA3048@sasha-vm> In-Reply-To: <20190502173419.GA3048@sasha-vm> From: Pavel Tatashin Date: Thu, 2 May 2019 13:44:24 -0400 Message-ID: Subject: Re: [v4 2/2] device-dax: "Hotremove" persistent memory that is used like normal RAM To: Sasha Levin Cc: James Morris , LKML , linux-mm , linux-nvdimm , Andrew Morton , Michal Hocko , Dave Hansen , Dan Williams , Keith Busch , Vishal L Verma , Dave Jiang , Ross Zwisler , Tom Lendacky , "Huang, Ying" , Fengguang Wu , Borislav Petkov , Bjorn Helgaas , Yaowei Bai , Takashi Iwai , =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , David Hildenbrand Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > >device-dax/kmem driver. So, operations should look like this: > > > >echo offline > echo offline > /sys/devices/system/memory/memoryN/state > > This looks wrong :) > Indeed, I will fix patch log in the next version. Thank you, Pasha