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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 ED64FC43140 for ; Fri, 6 Sep 2019 19:00:19 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B30FF20838 for ; Fri, 6 Sep 2019 19:00:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=soleen.com header.i=@soleen.com header.b="E1edasld" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B30FF20838 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=soleen.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 646976B0006; Fri, 6 Sep 2019 15:00:19 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 61E996B0007; Fri, 6 Sep 2019 15:00:19 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 534596B0008; Fri, 6 Sep 2019 15:00:19 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0241.hostedemail.com [216.40.44.241]) by kanga.kvack.org (Postfix) with ESMTP id 32E696B0006 for ; Fri, 6 Sep 2019 15:00:19 -0400 (EDT) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id D20A062EB for ; Fri, 6 Sep 2019 19:00:18 +0000 (UTC) X-FDA: 75905411316.21.ants02_3cdad36f5fc41 X-HE-Tag: ants02_3cdad36f5fc41 X-Filterd-Recvd-Size: 3846 Received: from mail-ed1-f65.google.com (mail-ed1-f65.google.com [209.85.208.65]) by imf11.hostedemail.com (Postfix) with ESMTP for ; Fri, 6 Sep 2019 19:00:18 +0000 (UTC) Received: by mail-ed1-f65.google.com with SMTP id f2so880428edw.3 for ; Fri, 06 Sep 2019 12:00:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=soleen.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=LrjX9gD4VIauKO9U5B9UI5Q0lIvPgAd5pEYZKOh182w=; b=E1edasldtuMUUwkDEeQ56lGV0qKHCc+ezSSI7PED72qKwm8givcI1UCheonDF+81rU DZOhA3PS5YT2Z+lRz68MmcNRorzwGoqu0KRyVhZh73RM5K5J8t3dDYLms/P0kTbvPtec 7X0KIeg9UYHi7xjL3yLM/8gmOM3hLlwYmIHLEfMReHliOIdzcdvn9E3msksKAtQuGev3 ToWGr15CVcoDF6P+lIE/dr4tO9E1aQqZPQUs26CFG4bEXIw89ZNUvP34ZpJRGdaObYaM GKhb6NJJySchkPl9O+1tmmIYBIgS1VoHFBQ5g7ReLTaEQvcU+kkN7J8ip6j/ozSYTNfg lfGg== 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=LrjX9gD4VIauKO9U5B9UI5Q0lIvPgAd5pEYZKOh182w=; b=RbIi7e0Lhtj+nk0iuDQrXzBKxnBgrF3c8vKOSK7c6aDi5rLR6n4SksrA3hqzJleTZx P0NikDL34WuNZwtiV/1Rjic9HyxVxBcoEQIRafy9TvO9mFvSZ9jE/WN7X2JlJfw3SJ3G vJyaJkNI5vm9Rfr+cbl8JbMx5ZgAsigC6j2m0zmnl5vlhqCCy/8oo8+2Z0n9fxlf5i1I PDd196HHbeXnCISyaKLMC6g2uJ25AGnh7Fi0F0YGV1fUGVfRuKw4+EgvAIpbal06Yb+q sC4Lsom/dglPC3ENp4kCOD/0osZOI9WR1OG3JaaZ4CLAzdKHiMJLXzgj1XgXeu36MjOo Uy4w== X-Gm-Message-State: APjAAAXT0lACT8DnOcoG6mrU3J0rKY/KMaMVz0ocu9LE20dPHhpIs4Eg DwxoRctNh4IWY77lMJD2D1GTf5SaHYjJLSHYyRaDgw== X-Google-Smtp-Source: APXvYqySdTqXeFzwKDdERIUW6O7satVNK6R7jE0J4FvXnhmNRURLOur3h+Xuy9x0CmE+4eeQW35qwli0Re25EqwHAFE= X-Received: by 2002:a17:906:bb0f:: with SMTP id jz15mr8571853ejb.264.1567796416697; Fri, 06 Sep 2019 12:00:16 -0700 (PDT) MIME-Version: 1.0 References: <20190821183204.23576-1-pasha.tatashin@soleen.com> <20190821183204.23576-10-pasha.tatashin@soleen.com> <2d9f7511-ce65-d5ca-653e-f4d43994a32d@arm.com> In-Reply-To: <2d9f7511-ce65-d5ca-653e-f4d43994a32d@arm.com> From: Pavel Tatashin Date: Fri, 6 Sep 2019 15:00:05 -0400 Message-ID: Subject: Re: [PATCH v3 09/17] arm64, trans_pgd: add trans_pgd_create_empty To: James Morse Cc: James Morris , Sasha Levin , "Eric W. Biederman" , kexec mailing list , LKML , Jonathan Corbet , Catalin Marinas , will@kernel.org, Linux ARM , Marc Zyngier , Vladimir Murzin , Matthias Brugger , Bhupesh Sharma , linux-mm , Mark Rutland Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Sep 6, 2019 at 11:20 AM James Morse wrote: > > Hi Pavel, > > On 21/08/2019 19:31, Pavel Tatashin wrote: > > This functions returns a zeroed trans_pgd using the allocator that is > > specified in the info argument. > > > > trans_pgds should be created by using this function. > > This function takes the allocator you give it, and calls it once. > > Given both users need one pgd, and have to provide the allocator, it seems strange that > they aren't trusted to call it. > > I don't think this patch is necessary. > > Let the caller pass in the pgd_t to the helpers. Ok. Thank you, Pasha