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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 53A94C55178 for ; Tue, 27 Oct 2020 11:36:07 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C09F522263 for ; Tue, 27 Oct 2020 11:36:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fZZ27l7v"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="RO9w86Zl" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C09F522263 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=6J+XFpZlLwIrfap5E/AOgGZPNcivlpub+aX0Y5c6G6w=; b=fZZ27l7vikxf2Z6oY8zHAMQNF q73WKWhouIm3R5mCCUK+Uk2N24Qel2SZpmHXpkwWDI1AdMeQsuTfWNqY5jMVnEcaN5nAchGZkWz41 A6ADv7gbf1gO05ZSGYnMFWHMkBVdpr52/r3bUaJodWhb1//+pPhsdaFZfPkIW9sww2RgbBLQGnDSB Zvi0VfoxV33enbygbyUtIWisRjzvszYFI+6mX0gdckOfO/ynej5yDGkQCw5XwPvd4B39We9TasMt4 zT/8KqXzzoYt/0KyY79uH/5F/36V11sJi1JQf3OU47JV2c6d4nY6LXlgvR2z5s7U2SkcpwVqstWaE vrCTLk/jw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kXNGn-0005Ee-Ek; Tue, 27 Oct 2020 11:36:05 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kXNCL-00031H-3D; Tue, 27 Oct 2020 11:31:37 +0000 Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BD87122281; Tue, 27 Oct 2020 11:31:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603798287; bh=C96/Yri0OpcfVOV1K/D1OQZYc09J0deYEZYDY/R242k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RO9w86ZlWcBO3seuK5eFu0P2uHFkfcLlrAbPpLsunaUHodYQ3Drj7EioUxxYpgdfn p3JtpqO0uBUP1PRzqijnlt/zHUT0wz4w2dKzUEzVBfQz9BTODh6dEaA1JnbOgeD4lN VIdUhU32rcODYbCtB1hDzAnX2L1R5dhx9g6xBprY= From: Mike Rapoport To: Andrew Morton Subject: [PATCH 12/13] m68k/mm: enable use of generic memory_model.h for !DISCONTIGMEM Date: Tue, 27 Oct 2020 13:29:54 +0200 Message-Id: <20201027112955.14157-13-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201027112955.14157-1-rppt@kernel.org> References: <20201027112955.14157-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201027_073129_403418_5E5AC989 X-CRM114-Status: GOOD ( 14.18 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org, Catalin Marinas , linux-mm@kvack.org, Will Deacon , Greg Ungerer , Jonathan Corbet , Meelis Roos , Russell King , Mike Rapoport , Geert Uytterhoeven , Matt Turner , linux-snps-arc@lists.infradead.org, Alexey Dobriyan , linux-m68k@lists.linux-m68k.org, John Paul Adrian Glaubitz , linux-arm-kernel@lists.infradead.org, Michael Schmitz , Tony Luck , Vineet Gupta , linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-fsdevel@vger.kernel.org, Mike Rapoport Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org From: Mike Rapoport The pg_data_map and pg_data_table arrays as well as page_to_pfn() and pfn_to_page() are required only for DISCONTIGMEM. Other memory models can use the generic definitions in asm-generic/memory_model.h. Signed-off-by: Mike Rapoport --- arch/m68k/include/asm/page.h | 2 ++ arch/m68k/include/asm/page_mm.h | 5 +++++ arch/m68k/include/asm/virtconvert.h | 2 +- arch/m68k/mm/init.c | 6 +++--- 4 files changed, 11 insertions(+), 4 deletions(-) diff --git a/arch/m68k/include/asm/page.h b/arch/m68k/include/asm/page.h index 2614a1206f2f..6116d7094292 100644 --- a/arch/m68k/include/asm/page.h +++ b/arch/m68k/include/asm/page.h @@ -62,8 +62,10 @@ extern unsigned long _ramend; #include #endif +#ifdef CONFIG_DISCONTIGMEM #define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT)) #define __pfn_to_phys(pfn) PFN_PHYS(pfn) +#endif #include diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h index 0e794051d3bb..7f5912af2a52 100644 --- a/arch/m68k/include/asm/page_mm.h +++ b/arch/m68k/include/asm/page_mm.h @@ -153,6 +153,7 @@ static inline __attribute_const__ int __virt_to_node_shift(void) pfn_to_virt(page_to_pfn(page)); \ }) +#ifdef CONFIG_DISCONTIGMEM #define pfn_to_page(pfn) ({ \ unsigned long __pfn = (pfn); \ struct pglist_data *pgdat; \ @@ -165,6 +166,10 @@ static inline __attribute_const__ int __virt_to_node_shift(void) pgdat = &pg_data_map[page_to_nid(__p)]; \ ((__p) - pgdat->node_mem_map) + pgdat->node_start_pfn; \ }) +#else +#define ARCH_PFN_OFFSET (m68k_memory[0].addr) +#include +#endif #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) #define pfn_valid(pfn) virt_addr_valid(pfn_to_virt(pfn)) diff --git a/arch/m68k/include/asm/virtconvert.h b/arch/m68k/include/asm/virtconvert.h index dfe43083b579..751bb6f4aaf6 100644 --- a/arch/m68k/include/asm/virtconvert.h +++ b/arch/m68k/include/asm/virtconvert.h @@ -31,7 +31,7 @@ static inline void *phys_to_virt(unsigned long address) /* Permanent address of a page. */ #if defined(CONFIG_MMU) && defined(CONFIG_SINGLE_MEMORY_CHUNK) #define page_to_phys(page) \ - __pa(PAGE_OFFSET + (((page) - pg_data_map[0].node_mem_map) << PAGE_SHIFT)) + __pa(PAGE_OFFSET + (((page) - mem_map) << PAGE_SHIFT)) #else #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) #endif diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c index 4b46ceace3d3..14c1e541451c 100644 --- a/arch/m68k/mm/init.c +++ b/arch/m68k/mm/init.c @@ -42,12 +42,12 @@ EXPORT_SYMBOL(empty_zero_page); #ifdef CONFIG_MMU -pg_data_t pg_data_map[MAX_NUMNODES]; -EXPORT_SYMBOL(pg_data_map); - int m68k_virt_to_node_shift; #ifdef CONFIG_DISCONTIGMEM +pg_data_t pg_data_map[MAX_NUMNODES]; +EXPORT_SYMBOL(pg_data_map); + pg_data_t *pg_data_table[65]; EXPORT_SYMBOL(pg_data_table); #endif -- 2.28.0 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc