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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 788B9C43331 for ; Tue, 31 Mar 2020 09:34:07 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 453D8207FF for ; Tue, 31 Mar 2020 09:34:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="dIIgpmDv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 453D8207FF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=andestech.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=6+GA6TPn1/jyf3of6CTm6UByCblZrDhZ24yjKpPpfxA=; b=dIIgpmDvoCg8ozlL6aAl/ru4q ufIu9ua8FIyy3tbjKFcrT0immJ9/DXglZYiLsV1nI9gJ992cCzx3U7stQFujiusvl6s1zhNqVV2aq x5A2TaCPgJuhFPL999aEuYikLkbtU/B90Qko+fynDspyJTLUoaItiROrVBYknv19ZHCT64yrjaeQX 5FCRM59BOXnBYXJaNPgIKCxF/OY4gszI9K+oybZ/r4bFdoNUFbWsQ5AZdVHT40x0X1UfOJHxhVkb5 qU9AtemjbFLGD78A/FlCSXYd50E9WapWxlyeEgf2AHU5vHcwoBq2Wi6YgLaX46kOYfq2wTpQYLFmg IozB6QXxA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jJDHZ-0003nY-BM; Tue, 31 Mar 2020 09:34:05 +0000 Received: from 59-120-53-16.hinet-ip.hinet.net ([59.120.53.16] helo=ATCSQR.andestech.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jJDHV-0003mK-B9 for linux-riscv@lists.infradead.org; Tue, 31 Mar 2020 09:34:03 +0000 Received: from mail.andestech.com (atcpcs16.andestech.com [10.0.1.222]) by ATCSQR.andestech.com with ESMTP id 02V9WLWb065506; Tue, 31 Mar 2020 17:32:21 +0800 (GMT-8) (envelope-from tesheng@andestech.com) Received: from atcsqa06.andestech.com (10.0.15.65) by ATCPCS16.andestech.com (10.0.1.222) with Microsoft SMTP Server id 14.3.123.3; Tue, 31 Mar 2020 17:33:15 +0800 From: Eric Lin To: Subject: [PATCH 3/3] riscv/mm: Add pkmap in print_vm_layout() Date: Tue, 31 Mar 2020 17:32:41 +0800 Message-ID: <20200331093241.3728-4-tesheng@andestech.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20200331093241.3728-1-tesheng@andestech.com> References: <20200331093241.3728-1-tesheng@andestech.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.0.15.65] X-DNSRBL: X-MAIL: ATCSQR.andestech.com 02V9WLWb065506 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200331_023401_643334_26B5A4F7 X-CRM114-Status: UNSURE ( 5.90 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aou@eecs.berkeley.edu, gary@garyguo.net, alex@ghiti.fr, david.abdurachmanov@gmail.com, steven.price@arm.com, Alan Kao , Anup.Patel@wdc.com, linux-kernel@vger.kernel.org, rppt@linux.ibm.com, atish.patra@wdc.com, yash.shah@sifive.com, Eric Lin , palmer@dabbelt.com, green.hu@gmail.com, zong.li@sifive.com, paul.walmsley@sifive.com, akpm@linux-foundation.org, bp@suse.de, logang@deltatee.com, tglx@linutronix.de Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org When enabling CONFIG_HIGHMEM, lowmem will before pkmap region and the memory layout will be like as below: Virtual kernel memory layout: lowmem : 0xc0000000 - 0xf5400000 ( 852 MB) pkmap : 0xf5600000 - 0xf5800000 ( 2 MB) fixmap : 0xf5800000 - 0xf5c00000 (4096 kB) pci io : 0xf5c00000 - 0xf6c00000 ( 16 MB) vmemmap : 0xf6c00000 - 0xf7bfffff ( 15 MB) vmalloc : 0xf7c00000 - 0xffc00000 ( 128 MB) Signed-off-by: Eric Lin Cc: Alan Kao --- arch/riscv/mm/init.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 59afb479176a..b32d558e3f99 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -80,6 +80,12 @@ static inline void print_mlm(char *name, unsigned long b, unsigned long t) static void print_vm_layout(void) { pr_notice("Virtual kernel memory layout:\n"); +#ifdef CONFIG_HIGHMEM + print_mlm("lowmem", (unsigned long)PAGE_OFFSET, + (unsigned long)high_memory); + print_mlm("pkmap", (unsigned long)PKMAP_BASE, + (unsigned long)FIXADDR_START); +#endif print_mlk("fixmap", (unsigned long)FIXADDR_START, (unsigned long)FIXADDR_TOP); print_mlm("pci io", (unsigned long)PCI_IO_START, @@ -88,8 +94,10 @@ static void print_vm_layout(void) (unsigned long)VMEMMAP_END); print_mlm("vmalloc", (unsigned long)VMALLOC_START, (unsigned long)VMALLOC_END); +#ifndef CONFIG_HIGHMEM print_mlm("lowmem", (unsigned long)PAGE_OFFSET, (unsigned long)high_memory); +#endif } #else static void print_vm_layout(void) { } -- 2.17.0