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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B33F2C433EF for ; Fri, 29 Apr 2022 13:19:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359727AbiD2NXH (ORCPT ); Fri, 29 Apr 2022 09:23:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55768 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1359723AbiD2NXF (ORCPT ); Fri, 29 Apr 2022 09:23:05 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 17E22C74A2 for ; Fri, 29 Apr 2022 06:19:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1651238387; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=uC80K2JcwhpHl9wyzV7n0RzilJpR226HPF0HUL7DEq0=; b=Z+jTZaMJUSbNB+jxnEd3lOQNAsq1YUk7LsIDJ7E1BwffpzFREFCF8JXWUEuAw3STQ5A6VJ pd+ls28CZNX2MrkVu7q0J2ZEZOaPzimxm4gGYTYy+VbyHxcf3PwGVpIKjkZ/EHksTsiEo6 idNivjVh1cK8M6lSqLWUzQ8aK3OycX8= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-634-vk82ltftOA6cWk439Qv-Jg-1; Fri, 29 Apr 2022 09:19:40 -0400 X-MC-Unique: vk82ltftOA6cWk439Qv-Jg-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8BC2F8002B2; Fri, 29 Apr 2022 13:19:39 +0000 (UTC) Received: from fedora (unknown [10.22.16.76]) by smtp.corp.redhat.com (Postfix) with SMTP id BF50B2166B4D; Fri, 29 Apr 2022 13:19:13 +0000 (UTC) Date: Fri, 29 Apr 2022 10:19:12 -0300 From: Wander Lairson Costa To: "Kirill A. Shutemov" Cc: Borislav Petkov , Andy Lutomirski , Sean Christopherson , Andrew Morton , Joerg Roedel , Ard Biesheuvel , Andi Kleen , Kuppuswamy Sathyanarayanan , David Rientjes , Vlastimil Babka , Tom Lendacky , Thomas Gleixner , Peter Zijlstra , Paolo Bonzini , Ingo Molnar , Varad Gautam , Dario Faggioli , Dave Hansen , Brijesh Singh , 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, Mike Rapoport Subject: Re: [PATCHv5 07/12] x86/mm: Reserve unaccepted memory bitmap Message-ID: References: <20220425033934.68551-1-kirill.shutemov@linux.intel.com> <20220425033934.68551-8-kirill.shutemov@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220425033934.68551-8-kirill.shutemov@linux.intel.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 25, 2022 at 06:39:29AM +0300, Kirill A. Shutemov wrote: > A given page of memory can only be accepted once. The kernel has a need > to accept memory both in the early decompression stage and during normal > runtime. > > A bitmap used to communicate the acceptance state of each page between the nit: s/bitmap used/bitmap is used/ [snip]