Received: by 2002:ac0:a581:0:0:0:0:0 with SMTP id m1-v6csp3635460imm; Mon, 25 Jun 2018 01:52:33 -0700 (PDT) X-Google-Smtp-Source: ADUXVKKv8MgYILd/OCvaC/oo0S/TLIawt7RawczeR7i0A3LqR0NgvNJlY/gdCJhFNKZA0nIVtZFO X-Received: by 2002:a65:62ce:: with SMTP id m14-v6mr9891777pgv.407.1529916753169; Mon, 25 Jun 2018 01:52:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1529916753; cv=none; d=google.com; s=arc-20160816; b=Z586J4x0E7r083EBvbNvk7A86KxQS5g9kBW+mlWVspUxMJ89jREfS5VVkzlLQyqlnX Iu9qfPrT9ZwuISlx/uApnhbaDFm8ec1/0/wuOMbFe9DevqeCzPW9KvcdjDgztU/tbxa3 fkDVufTkyRKwLMSLbxaGlg3WetQwBuBpNl8q9Es7C1odSssxd7B4klJnDujTqV9I0736 5n/QzcqcXuFfJ+3KFSxm9VRcVCMJYOB6EVT1I5hD4+37qMTfRH7K8+xV1dlPx/GLZAVs tBNvbvz3domX0U3R2sqPdJxD52mL3llZxOveWVSJdz5AR0B/rWCCEb35ZwE0Dx3Fg+Ci KEUQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:arc-authentication-results; bh=4gI07nPQs6V2Ve4jZoq01BDmJ7eJrkfjtb014oU0ugk=; b=REc4kd7InTZNlWLOuZ4sk02Fc1LmnIPDtn5FYytfP/wFXOFbK2o7xkfeQx+qLfRsyo SHoTETuLmcPIDfPG4Nch4vO3kTsJ1bwGdHyAxCQUKFHx0zJAvy7CASDerskW+wWn1syF RNUZlmy3l/gOGGbSS/vXUI9w5ED4Gp1xmT1MCHiaFNKF9Fp82HYDx6Y1bq5sPMwIFWUO QgIrV5hQ9tfmvmVls55Mjh4cLODNMve7BMFxEWMdf/aHXe6ys8otyQbycs18BKzd4qV4 6r622Yu2BjPDSU3noX7oZ1IkWhUE5/Ptx82fFjjKZ0FhGbSjzxTQ+TToezk65g6zqCNh p13g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x4-v6si11033413pgv.592.2018.06.25.01.52.19; Mon, 25 Jun 2018 01:52:33 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754701AbeFYIvA (ORCPT + 99 others); Mon, 25 Jun 2018 04:51:00 -0400 Received: from exmail.andestech.com ([59.124.169.137]:29052 "EHLO ATCSQR.andestech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754253AbeFYIu6 (ORCPT ); Mon, 25 Jun 2018 04:50:58 -0400 Received: from mail.andestech.com (atcpcs16.andestech.com [10.0.1.222]) by ATCSQR.andestech.com with ESMTP id w5P8qXv9009388; Mon, 25 Jun 2018 16:52:33 +0800 (GMT-8) (envelope-from zong@andestech.com) Received: from atcsqa06.andestech.com (10.0.1.85) by ATCPCS16.andestech.com (10.0.1.222) with Microsoft SMTP Server id 14.3.123.3; Mon, 25 Jun 2018 16:49:50 +0800 From: Zong Li To: , , , , CC: Zong Li , Subject: [PATCH v2 1/4] RISC-V: Add conditional macro for zone of DMA32 Date: Mon, 25 Jun 2018 16:49:37 +0800 Message-ID: <3d8fcfce1e99fe1f07c11b535319164ee2511c02.1529915117.git.zong@andestech.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.0.1.85] X-DNSRBL: X-MAIL: ATCSQR.andestech.com w5P8qXv9009388 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The DMA32 is for 64-bit usage. Signed-off-by: Zong Li --- arch/riscv/mm/init.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index c77df8142be2..58a522f9bcc3 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -28,7 +28,9 @@ static void __init zone_sizes_init(void) { unsigned long max_zone_pfns[MAX_NR_ZONES] = { 0, }; +#ifdef CONFIG_ZONE_DMA32 max_zone_pfns[ZONE_DMA32] = PFN_DOWN(min(4UL * SZ_1G, max_low_pfn)); +#endif max_zone_pfns[ZONE_NORMAL] = max_low_pfn; free_area_init_nodes(max_zone_pfns); -- 2.16.1