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=-5.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 0A117C433E1 for ; Thu, 18 Jun 2020 12:37:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E454F207E8 for ; Thu, 18 Jun 2020 12:37:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729842AbgFRMhW (ORCPT ); Thu, 18 Jun 2020 08:37:22 -0400 Received: from bilbo.ozlabs.org ([203.11.71.1]:57447 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729803AbgFRMhU (ORCPT ); Thu, 18 Jun 2020 08:37:20 -0400 Received: by ozlabs.org (Postfix, from userid 1034) id 49nhKB0y8Qz9sTL; Thu, 18 Jun 2020 22:37:16 +1000 (AEST) From: Michael Ellerman To: Michael Ellerman , Andrew Morton , Mike Rapoport Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Christophe Leroy , Mike Rapoport , linux-mm@kvack.org In-Reply-To: <20200615092229.23142-1-rppt@kernel.org> References: <20200615092229.23142-1-rppt@kernel.org> Subject: Re: [PATCH] powerpc/8xx: use pmd_off() to access a PMD entry in pte_update() Message-Id: <159248379681.3471720.4172093587973243088.b4-ty@ellerman.id.au> Date: Thu, 18 Jun 2020 22:37:16 +1000 (AEST) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 15 Jun 2020 12:22:29 +0300, Mike Rapoport wrote: > The pte_update() implementation for PPC_8xx unfolds page table from the PGD > level to access a PMD entry. Since 8xx has only 2-level page table this can > be simplified with pmd_off() shortcut. > > Replace explicit unfolding with pmd_off() and drop defines of pgd_index() > and pgd_offset() that are no longer needed. Applied to powerpc/fixes. [1/1] powerpc/8xx: use pmd_off() to access a PMD entry in pte_update() https://git.kernel.org/powerpc/c/687993ccf3b05070598b89fad97410b26d7bc9d2 cheers