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[209.132.180.67]) by mx.google.com with ESMTP id o1si34112950pld.269.2019.04.12.12.14.03; Fri, 12 Apr 2019 12:14:20 -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=@intel-com.20150623.gappssmtp.com header.s=20150623 header.b=qOPiNtjh; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726952AbfDLTNC (ORCPT + 99 others); Fri, 12 Apr 2019 15:13:02 -0400 Received: from mail-oi1-f193.google.com ([209.85.167.193]:45537 "EHLO mail-oi1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726755AbfDLTNC (ORCPT ); Fri, 12 Apr 2019 15:13:02 -0400 Received: by mail-oi1-f193.google.com with SMTP id y84so8855432oia.12 for ; Fri, 12 Apr 2019 12:13:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Cjb/Jw1kYT3CwdkCeHpw/B4B9pOzyujTUh9p8dSWf7g=; b=qOPiNtjhfsHHrcivyLQFuR8OxLUM441a/pqFDJ7Ihm23VNLXYRnNEf5ZCadtXfy1Bb bH/+WtbDeAv1BI5bE2bCLzjj6MAW7Lz9sN0irIl+eFKNM/AireWatNsg9DoUgJDe97AH x50W6yKuoX4s6Z/mmGcke/PvP+TGPwFvXhujik17ueQj3kGTVkrsqO0h0CCfZWpXDG1L VCJnD5jSlG00/ERDeLIJaK7KW/12x8qrzv3rxm3B1Upq9Dty1k30Zoil2MhCZzsziSLX Rdlygg4wxhOGAXpvC7j3dNN96kNtrI8bfA1b99bLzW6Q7EwqIABx3SYH/3W7XCF3/Bbp Nrfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Cjb/Jw1kYT3CwdkCeHpw/B4B9pOzyujTUh9p8dSWf7g=; b=SFT5ZFPiAdsCDNWjYHCvF6MFZdqA0+ivLD1Gr2DmLz1fZj/UwB9Qg9lfW8S7hIoKq1 BeD3PiNnGFWwSGBVcX7Fq9NVkDCSrOL4aS3DmEInzt+xKmfi+BWkl2z6W5joBKgPl6+r mZR5YcE3JgK35GRlxvU3p/kk+zH9rrx1ex914EKl2Tm2C6GSO1MrW2pMjTnHbDL/23u/ xNdTI9xfErEe2KfqKMyIQNyzD7cywpTzSEIni1s5yQxc/4tAuitVnz7dO3C8guS4ANzo d8XRMH2EFTAM0eHk7hmhjw0QWGr5e724NQrq9eV/mzzmf4/P98psLYSUekeo7CxyTICW irNQ== X-Gm-Message-State: APjAAAWCNGoI+cJ6yq7RlX0fM2B7OtPxKYok2BIvAABM4idNPuDa+9ga V7aRGkLCju4LSkA4khsy3PVPpfJ/LByKP+Kd/a1J3g== X-Received: by 2002:aca:f581:: with SMTP id t123mr11899459oih.0.1555096381187; Fri, 12 Apr 2019 12:13:01 -0700 (PDT) MIME-Version: 1.0 References: <029d4af64642019a6d73c804d362d840f4eb0941.1555093412.git.robin.murphy@arm.com> In-Reply-To: <029d4af64642019a6d73c804d362d840f4eb0941.1555093412.git.robin.murphy@arm.com> From: Dan Williams Date: Fri, 12 Apr 2019 12:12:49 -0700 Message-ID: Subject: Re: [PATCH 1/3] mm/memremap: Rename and consolidate SECTION_SIZE To: Robin Murphy Cc: Linux MM , "Weiny, Ira" , =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , ohall@gmail.com, X86 ML , linuxppc-dev , Anshuman Khandual , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 12, 2019 at 11:57 AM Robin Murphy wrote: > > Trying to activatee ZONE_DEVICE for arm64 reveals that memremap's s/activatee/activate/ > internal helpers for sparsemem sections conflict with and arm64's > definitions for hugepages, which inherit the name of "sections" from > earlier versions of the ARM architecture. > > Disambiguate memremap (and now HMM too) by propagating sparsemem's PA_ > prefix, to clarify that these values are in terms of addresses rather > than PFNs (and because it's a heck of a lot easier than changing all the > arch code). SECTION_MASK is unused, so it can just go. Looks good to me. So good that it collides with a similar change in the "sub-section" support series. Acked-by: Dan Williams