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=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 B2D9CC433E0 for ; Thu, 21 Jan 2021 06:37:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6A5B3221FC for ; Thu, 21 Jan 2021 06:37:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726413AbhAUGgL (ORCPT ); Thu, 21 Jan 2021 01:36:11 -0500 Received: from mail.kernel.org ([198.145.29.99]:60292 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726593AbhAUGfG (ORCPT ); Thu, 21 Jan 2021 01:35:06 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 58E8B23877; Thu, 21 Jan 2021 06:33:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611210827; bh=vNGgsCI7zczqFpYu62xY9dECe4uIHd42I4++YfliMGQ=; h=From:To:Cc:Subject:Date:From; b=lYPstG6yWvcqvw1L89t8VLSnNfPErBePn0/+oaJeYs2MP2aBXLIAwVHy94YzOVraY l1IM1Ggn8xz81CcOd626yhT39Qdz7hzW3kdWATV61MAmCP6C6eQrpE1NXWi/hOoIBf OafSm/rXboaDvv+pmh10LIqhBplbbaY41We7SgQGDFjsmozptEKu9/zAFv0B+R2gTC 31KY9ioYC7bvuLgCt4Hxi1u2sCh79dG27qpdcQcUIbnqClC+7cFJPeagSKra+VebmW RxbbOdyF8I4g+0rrSRidmVO1Zg5DYbxZXQVsefGEHvyIF45iWc4ivSHwpr1PJ6w6kZ GpaHJbNAwq6cw== From: guoren@kernel.org To: palmerdabbelt@google.com Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Guo Ren Subject: [PATCH] riscv: Fixup pfn_valid error with wrong max_mapnr Date: Thu, 21 Jan 2021 14:31:17 +0800 Message-Id: <20210121063117.3164494-1-guoren@kernel.org> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guo Ren The max_mapnr is the number of PFNs, not absolute PFN offset. Signed-off-by: Guo Ren Cc: Palmer Dabbelt --- arch/riscv/mm/init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index bf5379135e39..1576ee9e5e94 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -184,7 +184,7 @@ void __init setup_bootmem(void) max_pfn = PFN_DOWN(memblock_end_of_DRAM()); max_low_pfn = max_pfn; dma32_phys_limit = min(4UL * SZ_1G, (unsigned long)PFN_PHYS(max_low_pfn)); - set_max_mapnr(max_low_pfn); + set_max_mapnr(max_low_pfn - ARCH_PFN_OFFSET); #ifdef CONFIG_BLK_DEV_INITRD setup_initrd(); -- 2.17.1