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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09546C636CC for ; Sat, 28 Jan 2023 09:02:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234095AbjA1JCV (ORCPT ); Sat, 28 Jan 2023 04:02:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233575AbjA1JCT (ORCPT ); Sat, 28 Jan 2023 04:02:19 -0500 Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A38EA6DFCF; Sat, 28 Jan 2023 01:02:16 -0800 (PST) Received: by mail-wm1-x32e.google.com with SMTP id j32-20020a05600c1c2000b003dc4fd6e61dso47524wms.5; Sat, 28 Jan 2023 01:02:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=v7ARCz3cVaBFOjYkC77qL/HBEniL1qdQHS5E6K6GFOY=; b=aqbRojTHRCVjzGUAj7OwNNFidQtZRaRDHHmAjBWeAFhAl4EP6lU/HQ+DT3lz3ORLRs krDbFNMyaAoPDNNbr2Us4LfdqxvtQoKw/VqPFwWdtmeZaX2Yr/xMNSAvUp0bHiLiSOj3 SN1iYBMZrJW6Tuoe05d5ixjoXDQyxOx+hHgkYRdk2YredIT5D868vyI7+JtGnCIwsINP AC8gyFLqm6XouHJKilNfBj6iNxK7cGu1Nhc9VlLOm0nqQCpyycdmijDtgityKjfCFibc kBECjMNCFbqcxj8dsEQrghcf75B90yP81hRDkvCSROQeKfuHc3hus0w8nNDlJyMcHou/ rQVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=v7ARCz3cVaBFOjYkC77qL/HBEniL1qdQHS5E6K6GFOY=; b=K/g0NVKqOEQIrhvafWdRvrjURipII3R7wZsomoncfvYxOaVsjxBB4GDtgjn1rX1MtO KnY0l5JrvoLJvI7FX5LmggUrjXSISAK7DhqusGl6ORvy1tgnHzaBtrzy/+5DLIG3uF8P lef2XfYvHcPw/UhMCNXBZF/FmVKfSZujzuKe+DvSSWACEhbvMhK9klK7GEp0ph2XKBUP FSRIeXTua9Fs6dy+8P49dTlLlb3I+Hlxpk5CylXLBf14ePJ7EAXAfsx3dOTsbkqT13W6 135KB/lW487LBZjy5pAqw4JyLZ1S2JICUGNRKrM2DbK6tzk5uKReWuLp3qwHAX0Xuqwz L8mg== X-Gm-Message-State: AFqh2koU+Pl3pQgtBSHxJ3WksDASjXOPbguqlLD3Odb34RoxJ7wn82bA xeVo3OD529xv6CQsEwfTAho= X-Google-Smtp-Source: AMrXdXshtli+OqZ9VwFCdRpOAvHTMs/09zG9TMwa0gaZMZJ8uG1JiJOtVlF/BhmQxoXBbhlR7WJAkg== X-Received: by 2002:a05:600c:5116:b0:3db:1a8:c041 with SMTP id o22-20020a05600c511600b003db01a8c041mr42453030wms.17.1674896535134; Sat, 28 Jan 2023 01:02:15 -0800 (PST) Received: from localhost (cpc1-brnt4-2-0-cust862.4-2.cable.virginm.net. [86.9.131.95]) by smtp.gmail.com with ESMTPSA id f28-20020a5d58fc000000b002be5401ef5fsm6212824wrd.39.2023.01.28.01.02.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 28 Jan 2023 01:02:14 -0800 (PST) Date: Sat, 28 Jan 2023 18:02:13 +0900 From: Stafford Horne To: Mike Rapoport Cc: Andrew Morton , Arnd Bergmann , Brian Cain , "David S. Miller" , Dinh Nguyen , Geert Uytterhoeven , Greg Ungerer , Guo Ren , Helge Deller , Huacai Chen , Matt Turner , Max Filippov , Michael Ellerman , Michal Simek , Palmer Dabbelt , Rich Felker , Richard Weinberger , Thomas Bogendoerfer , Vineet Gupta , WANG Xuerui , Yoshinori Sato , linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux--csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, sparclinux@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH 3/3] mm, arch: add generic implementation of pfn_valid() for FLATMEM Message-ID: References: <20230125190757.22555-1-rppt@kernel.org> <20230125190757.22555-4-rppt@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230125190757.22555-4-rppt@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 25, 2023 at 09:07:57PM +0200, Mike Rapoport wrote: > From: "Mike Rapoport (IBM)" > > Every architecture that supports FLATMEM memory model defines its own > version of pfn_valid() that essentially compares a pfn to max_mapnr. > > Use mips/powerpc version implemented as static inline as a generic > implementation of pfn_valid() and drop its per-architecture definitions > > Signed-off-by: Mike Rapoport (IBM) > --- > arch/alpha/include/asm/page.h | 4 ---- > arch/arc/include/asm/page.h | 1 - > arch/csky/include/asm/page.h | 1 - > arch/hexagon/include/asm/page.h | 1 - > arch/ia64/include/asm/page.h | 4 ---- > arch/loongarch/include/asm/page.h | 13 ------------- > arch/m68k/include/asm/page_no.h | 2 -- > arch/microblaze/include/asm/page.h | 1 - > arch/mips/include/asm/page.h | 13 ------------- > arch/nios2/include/asm/page.h | 9 --------- > arch/openrisc/include/asm/page.h | 2 -- > arch/parisc/include/asm/page.h | 4 ---- > arch/powerpc/include/asm/page.h | 9 --------- > arch/riscv/include/asm/page.h | 5 ----- > arch/sh/include/asm/page.h | 3 --- > arch/sparc/include/asm/page_32.h | 1 - > arch/um/include/asm/page.h | 1 - > arch/x86/include/asm/page_32.h | 4 ---- > arch/x86/include/asm/page_64.h | 4 ---- > arch/xtensa/include/asm/page.h | 2 -- > include/asm-generic/memory_model.h | 12 ++++++++++++ > include/asm-generic/page.h | 2 -- > 22 files changed, 12 insertions(+), 86 deletions(-) > [...] > diff --git a/arch/openrisc/include/asm/page.h b/arch/openrisc/include/asm/page.h > index aab6e64d6db4..52b0d7e76446 100644 > --- a/arch/openrisc/include/asm/page.h > +++ b/arch/openrisc/include/asm/page.h > @@ -80,8 +80,6 @@ typedef struct page *pgtable_t; > > #define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT) > > -#define pfn_valid(pfn) ((pfn) < max_mapnr) > - > #define virt_addr_valid(kaddr) (pfn_valid(virt_to_pfn(kaddr))) > > #endif /* __ASSEMBLY__ */ For OpenRISC Acked-by: Stafford Horne