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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 C1F0FC6787C for ; Sat, 13 Oct 2018 01:46:50 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1220D20868 for ; Sat, 13 Oct 2018 01:46:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=joelfernandes.org header.i=@joelfernandes.org header.b="TX0jPv1m" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1220D20868 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=joelfernandes.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 42X6xz6Y7wzF3TR for ; Sat, 13 Oct 2018 12:46:47 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=joelfernandes.org Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=joelfernandes.org header.i=@joelfernandes.org header.b="TX0jPv1m"; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=joelfernandes.org (client-ip=2607:f8b0:4864:20::444; helo=mail-pf1-x444.google.com; envelope-from=joel@joelfernandes.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=joelfernandes.org Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=joelfernandes.org header.i=@joelfernandes.org header.b="TX0jPv1m"; dkim-atps=neutral Received: from mail-pf1-x444.google.com (mail-pf1-x444.google.com [IPv6:2607:f8b0:4864:20::444]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 42X6vQ2NLbzF3Rf for ; Sat, 13 Oct 2018 12:44:33 +1100 (AEDT) Received: by mail-pf1-x444.google.com with SMTP id f26-v6so7007819pfn.9 for ; Fri, 12 Oct 2018 18:44:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=joelfernandes.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=EOwbPFoajGZi3/uQe5h542M6UYdoOEkmWBYBoXp9OV8=; b=TX0jPv1mV+ruD3G3qgqRA9UMXe+0i0YS6UXGUy6KTVLywoPyxQGhhjXFi4dn2iQI3x x/BukZ3beT2AFdW61n55JqI5ANyPOWfr1rNKfv8VAcertpXgkQEbv+tQZOTO68qVwDHs 51gxQI0b3N3xdtlX+SiDVTyY2dpjIIcZ8JErQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=EOwbPFoajGZi3/uQe5h542M6UYdoOEkmWBYBoXp9OV8=; b=gz8l6LZ20NceQlBXIkg/t85tMuv2gDCHWw33j4tZUWgvMtvdQcYO3w/K3UTU5PVOcg 9PWvyW6E8xUXMEHwekn4SLtz5JvKqJJvnGCKV7p4+rO7GkHpdTxTBuh8CAwd/rEM1JOp uWE8N5yVmSMjRjtPrc1pPMLdU7jR2dCFYfkMIgjyKtotYP2z8iw9zBDdoOOlU1rbBCoS pn+2QK4tZVz1Usm64Eq6JFToat2QdC7beTv4kMenjKhdEUh7zCVsem22CptPdsQofbeX l0h+d/VNIQ7rQwHJx7I8TZEq2i7vHHW93L05+i6C6+Z4WRxPJFH5MRrFzq8IsAjOmPoU PAmw== X-Gm-Message-State: ABuFfoicl7DblNkkX5OOnbV9KSXbq/+N0Lw1UfoEkJygHkSRK0E+fEz3 RSsBeas3NooPEpJGjJHxS20xhg== X-Google-Smtp-Source: ACcGV63XxXW9pGHxVnF8xzzLyeXhR7XaYBjfw87dDDQ+CF+OqnNRmShTWlj1H1kUQbwXg/j2G4ghiQ== X-Received: by 2002:a62:968a:: with SMTP id s10-v6mr8356398pfk.191.1539395071806; Fri, 12 Oct 2018 18:44:31 -0700 (PDT) Received: from localhost ([2620:0:1000:1601:3aef:314f:b9ea:889f]) by smtp.gmail.com with ESMTPSA id r81-v6sm6155322pfa.110.2018.10.12.18.44.30 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 12 Oct 2018 18:44:30 -0700 (PDT) Date: Fri, 12 Oct 2018 18:44:29 -0700 From: Joel Fernandes To: Daniel Colascione Subject: Re: [PATCH v2 2/2] mm: speed up mremap by 500x on large regions Message-ID: <20181013014429.GB207108@joelaf.mtv.corp.google.com> References: <20181012013756.11285-2-joel@joelfernandes.org> <20181012113056.gxhcbrqyu7k7xnyv@kshutemo-mobl1> <20181012125046.GA170912@joelaf.mtv.corp.google.com> <20181012.111836.1569129998592378186.davem@davemloft.net> <20181013013540.GA207108@joelaf.mtv.corp.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, Peter Zijlstra , catalin.marinas@arm.com, dave.hansen@linux.intel.com, Michal Hocko , linux-mm , Lokesh Gidra , linux-riscv@lists.infradead.org, elfring@users.sourceforge.net, jonas@southpole.se, linux-s390@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-hexagon@vger.kernel.org, deller@gmx.de, hughd@google.com, jejb@parisc-linux.org, kasan-dev@googlegroups.com, kvmarm@lists.cs.columbia.edu, mingo@redhat.com, geert@linux-m68k.org, aryabinin@virtuozzo.com, linux-snps-arc@lists.infradead.org, kernel-team@android.com, fenghua.yu@intel.com, jdike@addtoit.com, linux-um@lists.infradead.org, Julia.Lawall@lip6.fr, linux-m68k@lists.linux-m68k.org, bp@alien8.de, luto@kernel.org, nios2-dev@lists.rocketboards.org, kirill@shutemov.name, gxt@pku.edu.cn, chris@zankel.net, richard@nod.at, linux-parisc@vger.kernel.org, Ramon Pantin , jcmvbkbc@gmail.com, linux-kernel , Minchan Kim , linux-alpha@vger.kernel.org, lftan@altera.com, Andrew Morton , linuxppc-dev@lists.ozlabs.org, David Miller Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Fri, Oct 12, 2018 at 06:39:45PM -0700, Daniel Colascione wrote: > Not 32-bit ARM? Well, I didn't want to enable every possible architecture we could in a single go. Certainly arm32 can be a follow on enablement as can be other architectures. The point of this series is to upstream this feature and enable a hand-picked few architectures as a first step. thanks, - Joel