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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 750F6C7EE32 for ; Tue, 28 Feb 2023 15:56:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=HzpV6BDSJO11IOnqZRTiJ5LvytnT7FsHqsJh9paIuQ4=; b=SVmMnno8I+2X+u yTBPpq4lnIHs7zQIE3uJh5Vt7rAuNeY296WfwYsYRT4GKM7Bw3GXeM0Yhx4wMF8UmCmGAyCgiW+bb aLiZkxiGEDs5j+iZyE3TNc7M3AmTRVA4TaIQO79m6VLeSaT/Mi3mH7vPpnRahuuF9ah4M2EK0ZwiD hK80UK9mgayjncIV94bag0IeMH9CL92PSlo7pY7iieSlfZ1AiDf7O3j4RNjdud3VmBSIJwTyKS0Bk Zdtdh8+Zc4FP1bo5Fe0Kjkr9tJr/jKGjtYZxyDLzZhAr+J6nGnco0gBzBaboG4PG4pmB9PNJqgPrW RvBwUBE6hhNiiKfbPb6Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pX2LH-00DhOk-G2; Tue, 28 Feb 2023 15:56:39 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pX2LE-00DhMn-VF for linux-snps-arc@lists.infradead.org; Tue, 28 Feb 2023 15:56:38 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1677599796; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=V7pSWC5euLmUDx9YG5RWzWaGkcDB950fdhQfUYWKICc=; b=ZSChi6PCbVgB4ID1cv6gHwSECIe4OuDgIMTq9REYSJaYl9Bf5lSORAPqF9nF4FY6kYjdHP 0rpMHiVugl0FfrSZ7kusLx2puVZVVd3rGCqTue3pS+eYTtT5A9Z1AGPyVPXzEsiDDvsgSV zDbR8uz7qH6HtSCPQlQ1dlM1cz+5/+s= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-171-bglpTEzdMNumjPSPZjXWYA-1; Tue, 28 Feb 2023 10:56:34 -0500 X-MC-Unique: bglpTEzdMNumjPSPZjXWYA-1 Received: by mail-wm1-f71.google.com with SMTP id z6-20020a7bc7c6000000b003e0107732f4so3778056wmk.1 for ; Tue, 28 Feb 2023 07:56:34 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:organization:from:references :cc:to:content-language:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=V7pSWC5euLmUDx9YG5RWzWaGkcDB950fdhQfUYWKICc=; b=ZGEW2Eofva4mi6Pt39wRBNANlaQFVIyzfXehzptfFaNaSeM0YLueRnGHoPfUNnwIVu ruFB3XpKPT08Uyr9UzjMIvPuABqXDTvC9LnoEvXBCiyieD8czQik0NVREsyd1yPZ4/Lr qX+yhq0kRMKuvBgu1hyC15rBKsliBVwzzelfeVm14b8Jy9b9KO/IQaaORz1ZrEo4ChYa YbeBPDHSyRK7fwhxaxqHtd+Xd9k7zDMk1DcBFNn/sacF2kYoXjbBHZ3zFBMyUj10Eskr g79XxQqyGOC+XA2rQ/9s/pjMj3TBkLO78urE+39tTiQhV/EA2yvcTQAv1qAmC4yspvIL pqnA== X-Gm-Message-State: AO0yUKU44GQflpYvapmuLuaqXnNEomHVEtwLxdEUMf/U1XotS3Jxpp61 wT5EJlHxP8PoJNlWcaBww59JQE5/AsEl5aNKydlDCIbME8zAsknzH8Qfclbv2RJOD5/BeSg4ola HtCVZy3y6reffbPPDfCZq55nKEvygbX1z X-Received: by 2002:a05:600c:1e20:b0:3df:9858:c037 with SMTP id ay32-20020a05600c1e2000b003df9858c037mr9985258wmb.12.1677599793387; Tue, 28 Feb 2023 07:56:33 -0800 (PST) X-Google-Smtp-Source: AK7set/U2v9f8GltbBAhuiD5VLcyopD+EwumVs1dLk0qMzdF/fI8DkaFn74NX3LW8zhnIM6FtbCCQg== X-Received: by 2002:a05:600c:1e20:b0:3df:9858:c037 with SMTP id ay32-20020a05600c1e2000b003df9858c037mr9985221wmb.12.1677599793078; Tue, 28 Feb 2023 07:56:33 -0800 (PST) Received: from ?IPV6:2003:cb:c706:b800:3757:baed:f95e:20ac? (p200300cbc706b8003757baedf95e20ac.dip0.t-ipconnect.de. [2003:cb:c706:b800:3757:baed:f95e:20ac]) by smtp.gmail.com with ESMTPSA id hn6-20020a05600ca38600b003e21f01c426sm13465165wmb.9.2023.02.28.07.56.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 28 Feb 2023 07:56:32 -0800 (PST) Message-ID: Date: Tue, 28 Feb 2023 16:56:30 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH mm-unstable v1 19/26] riscv/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE To: Palmer Dabbelt Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, hughd@google.com, jhubbard@nvidia.com, jgg@nvidia.com, rppt@linux.ibm.com, shy828301@gmail.com, vbabka@suse.cz, namit@vmware.com, aarcange@redhat.com, peterx@redhat.com, linux-mm@kvack.org, x86@kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org, Paul Walmsley , aou@eecs.berkeley.edu References: From: David Hildenbrand Organization: Red Hat In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230228_075637_118154_014A932C X-CRM114-Status: UNSURE ( 7.65 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On 28.02.23 16:50, Palmer Dabbelt wrote: > On Fri, 13 Jan 2023 09:10:19 PST (-0800), david@redhat.com wrote: >> Let's support __HAVE_ARCH_PTE_SWP_EXCLUSIVE by stealing one bit >> from the offset. This reduces the maximum swap space per file: on 32bit >> to 16 GiB (was 32 GiB). > > Seems fine to me, I doubt anyone wants a huge pile of swap on rv32. Patch is already upstream, so we can't add tags unfortunately. Thanks for the review! -- Thanks, David / dhildenb _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc