From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f180.google.com (mail-yw1-f180.google.com [209.85.128.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 64D3AA53 for ; Thu, 2 Jun 2022 15:31:52 +0000 (UTC) Received: by mail-yw1-f180.google.com with SMTP id 00721157ae682-2ff90e0937aso55286527b3.4 for ; Thu, 02 Jun 2022 08:31:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=8Knz9JmJqm4EucxNHcnCzTZMEqb1eXMDB2BBmxOvSfo=; b=A5BEurTXTqPI2SJfMM+0Og5mkfT1VMkGbC38WlggmdEdOivuFGZMJrBOEArKLrgmjd ispcV5TBg8MDV6Pw1F93Jo101+POqcpuj3mm1Cx7/NWgjNEQVIrUM26/JOdE6eIM9PNe NK5jB9oLoo+rd+ELGFkAdAstHirBUwRDd0X1CRUyvyl4zf02btaqHCrhk1Mo3f2mp9p1 PwcArktmbaggGkq20umNK6JKAtWRVvfsfnKee0/0oA68IQr72FAwhg3zsPurigPZynB4 WrPeKRvKMWcdQNpGntCfhvjn3oaDTMSsKRF5TSZ/yGtFOgxPk0tMfTtjbfikgukep6cx 7O7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=8Knz9JmJqm4EucxNHcnCzTZMEqb1eXMDB2BBmxOvSfo=; b=fUm6q0Qn4YL+L53Y1GIlOn3nvCD2iY7L7VYFsc+2rC/P8Nk3tLntqWAn/Yr6yW3DeC nH77O6h27dBbUImopE/LJ4xTa9BXiA6JOH/FTmZsSSR1t7djzHyHIwqGmAOvsJPMZVoG jITOX7gmLpBNRAv15cXoyXQjunlXKFsqEuAuDFJMscVdDyMF5WZoI2GH4v82WvK04MMg zBbXd2wNA7wiGK0CaFxc6BHkVnav2dtljHjoUIN4rqdaKKIzf3gT0bD0RCuLkHSB3Pbq domelVHCEf4rVvyq8WWIBT30b6R2dryyXLJHEOAggM6dhdmLCPlL2Zv3pjZ3fP0Emhj5 SfNw== X-Gm-Message-State: AOAM532zv3yK4+Jqp8L8+FauasXIaSUttiCD5/ht7lStSYV3NxTk03BI n80JHZ/FuJ6N+tZjA/NzyA5CaUAJWnnxDpTCo2P+Ng== X-Google-Smtp-Source: ABdhPJyDgn+XcjAIve032i0v41nPDh9/gB1Ke2pcinTpAdoGGtfFIm2nBM+7mIhCzFsvqob6zbUErmaGn6ssSdJrp54= X-Received: by 2002:a0d:ca08:0:b0:30c:b11b:8cfc with SMTP id m8-20020a0dca08000000b0030cb11b8cfcmr6352036ywd.362.1654183911131; Thu, 02 Jun 2022 08:31:51 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20220425033934.68551-1-kirill.shutemov@linux.intel.com> <20220425033934.68551-7-kirill.shutemov@linux.intel.com> <20220506153013.e6v4q2qhuhqumfiu@box.shutemov.name> <20220513144515.fx2cvo3rjued3vy5@black.fi.intel.com> <0c545c5f-3540-1441-7a7d-359b6795f43a@amd.com> <19ac7bbc-82f1-8350-8638-163303d682b1@amd.com> In-Reply-To: <19ac7bbc-82f1-8350-8638-163303d682b1@amd.com> From: Dionna Amalie Glaze Date: Thu, 2 Jun 2022 08:31:40 -0700 Message-ID: Subject: Re: [PATCHv5 06/12] x86/boot/compressed: Handle unaccepted memory To: "Gupta, Pankaj" Cc: "Xu, Min M" , "Kirill A. Shutemov" , Borislav Petkov , "Gao, Jiaqi" , Michael Roth , Borislav Petkov , "Kirill A. Shutemov" , "Lutomirski, Andy" , "Christopherson,, Sean" , Andrew Morton , "Rodel, Jorg" , Ard Biesheuvel , Andi Kleen , Kuppuswamy Sathyanarayanan , David Rientjes , Vlastimil Babka , Tom Lendacky , Thomas Gleixner , Peter Zijlstra , Paolo Bonzini , Ingo Molnar , Varad Gautam , Dario Faggioli , "Hansen, Dave" , Mike Rapoport , David Hildenbrand , "x86@kernel.org" , "linux-mm@kvack.org" , "linux-coco@lists.linux.dev" , "linux-efi@vger.kernel.org" , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" On Thu, Jun 2, 2022 at 5:51 AM Gupta, Pankaj wrote: > AFAIU the unaccepted memory also stays in buddy (first via slow path) > and should be accounted automatically in free? > No, the last patch adds unaccepted mem as a differently accounted memory type. > > > > So when I see 2044MB free vs 7089MB free in my VMs, the two are > > roughly 5GB different. > > Is it possible all memory got allocated with memblock? Maybe some > variable tests to validate with '/proc/meminfo | grep UnacceptedMem' > would give you more clue. > free -k parses /proc/meminfo for MemFree and SwapFree in /proc/meminfo, so it sounds like it should also add in UnacceptedMem. We'll try that. Thanks. -- -Dionna Glaze, PhD (she/her)