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[209.132.180.67]) by mx.google.com with ESMTP id l12-v6si3122981pls.135.2018.10.12.18.44.58; Fri, 12 Oct 2018 18:45:25 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@joelfernandes.org header.s=google header.b=TX0jPv1m; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726911AbeJMJTn (ORCPT + 99 others); Sat, 13 Oct 2018 05:19:43 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:45564 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726392AbeJMJTn (ORCPT ); Sat, 13 Oct 2018 05:19:43 -0400 Received: by mail-pg1-f194.google.com with SMTP id t70-v6so6598641pgd.12 for ; Fri, 12 Oct 2018 18:44:32 -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=ZgviZjsjreUO8QO5zm4UjWow1Ob/2tuJAD3RzJbl9ZscS+5/VMWEGYPafBzd8s2wCP F9OOyyP04qN6UG8jtgtWaz/RI1FMERYvHyXyoozHKNX1RUeUOziAnKCp/yXJCxM6zJW5 GX3VRUtZNZH5GpQ7Bg3w426NcMdvQyiMwpvMYLDEcnp3nf5ZhaDC5BRqwUzmINmBbtoN i1Giqs4IIXznqxC7ckAlXKBbEXC9q+nvgFDVzW8iTi4yB22veJHIJvB14kI7Zsyseydw h2A5NqGPtrE+g8lSpTrig9RwN68zQOPK8eew+Cn4x0pGRP9M4uED2wfSk57+0hYB9Rwn p31w== X-Gm-Message-State: ABuFfojJbd9SOg4qYQFx340MgtJNON+20nqGds2sbXH9IB2yKFYVfDE6 WlAitL7y4gBvfVKDqr1uzAj+tw== 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 Cc: David Miller , kirill@shutemov.name, linux-kernel , kernel-team@android.com, Minchan Kim , Ramon Pantin , hughd@google.com, Lokesh Gidra , Michal Hocko , Andrew Morton , aryabinin@virtuozzo.com, luto@kernel.org, bp@alien8.de, catalin.marinas@arm.com, chris@zankel.net, dave.hansen@linux.intel.com, elfring@users.sourceforge.net, fenghua.yu@intel.com, geert@linux-m68k.org, gxt@pku.edu.cn, deller@gmx.de, mingo@redhat.com, jejb@parisc-linux.org, jdike@addtoit.com, jonas@southpole.se, Julia.Lawall@lip6.fr, kasan-dev@googlegroups.com, kvmarm@lists.cs.columbia.edu, lftan@altera.com, linux-alpha@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@linux-mips.org, linux-mm , 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, linux-snps-arc@lists.infradead.org, linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org, jcmvbkbc@gmail.com, nios2-dev@lists.rocketboards.org, Peter Zijlstra , richard@nod.at 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) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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