From nobody Tue Apr 7 07:09:30 2026 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 9ACC8ECAAD5 for ; Tue, 30 Aug 2022 04:28:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229831AbiH3E2g (ORCPT ); Tue, 30 Aug 2022 00:28:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41158 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229716AbiH3E2c (ORCPT ); Tue, 30 Aug 2022 00:28:32 -0400 Received: from mail-io1-xd2d.google.com (mail-io1-xd2d.google.com [IPv6:2607:f8b0:4864:20::d2d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A355B9E0F5 for ; Mon, 29 Aug 2022 21:28:31 -0700 (PDT) Received: by mail-io1-xd2d.google.com with SMTP id 10so8331676iou.2 for ; Mon, 29 Aug 2022 21:28:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc; bh=IiYV69tyEj+bybX6EJGKjRJBog8U9SbwxG5mkmTGRVw=; b=XVONKF7d3W7EwJOLHgmUQlSsZx1O823f6Rhtuul//ZTdPlpsEw5PIODBxIhzsc6WGp j7x+W1hY5a28AYYVt9Za/EaIMXL15HdiA2ms5ZYAOFAVkTRuIrcQeOsRnZuYDB7FVk3c +NpN/9EIQQEOa+4Qejc4S1azLG25u/kHejDzz7P2ipMV4HRizNArSkviiV7dVcQaehg1 qkZ4g7X71uOE4EFrZZYzQsZVt2yNAZVWB/WsVfxeUt6t9ZZA9DVkgCyOjeJgYrWFj+gz Mq5owqtaO2Gg96hQ1XKjLpodC18At1I4l2w98y/0svMPRbZct5kGmo9jQnbrj02qZxTL j75A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc; bh=IiYV69tyEj+bybX6EJGKjRJBog8U9SbwxG5mkmTGRVw=; b=4uww7okH7uQvQBtL1teIvOP0IGm17YwC81+eKOHPiQEAL87/BDAg6uRYJcgkMziMF6 ZEwfKw+AnXowzAOO3cujk2lEfEdsqLp3/3YZ2+4cKpo9Uj0F+DHhHqP+aiP2PJrLSXI7 5Sg3Q6TPcv/twUSbwgUPdm40KF4L8Shpk+twfCHbcOUcF65GNorb/uua8BbNkZ8Uf9Vl K40ZeDy1F6pvkTFT9Nn5HxLFAjV92k189jDaERjhswQBG1qjmHVJ647xdRsFDcfj2yLm jMhM/gtJGinTkF3be6A82SgFCdZ8YIYAy+ZOLPhDrpwrA8WatzmGCeXkMexpuhm1PL8r qMIg== X-Gm-Message-State: ACgBeo1zvBtKa+nUy+pQfwnhCr63ZHfvRQSFAn1L/e4ApqxUVx5M770H gfnLrTLUpc0BUaQaevs2jqOScKbE+oLjIXqciIg= X-Google-Smtp-Source: AA6agR5YwsPm1vdnZEuZ/JPg/Q4vlN/vmdgvE1r7QOmb/lP3dObcMTm7SnQwunOu+42Lb3Yuu0bO0ea1iKw1LcOT1QQ= X-Received: by 2002:a05:6638:2613:b0:346:e2c5:aa4e with SMTP id m19-20020a056638261300b00346e2c5aa4emr11473681jat.160.1661833710912; Mon, 29 Aug 2022 21:28:30 -0700 (PDT) MIME-Version: 1.0 References: <20220803151217.75962-1-ppbuk5246@gmail.com> In-Reply-To: <20220803151217.75962-1-ppbuk5246@gmail.com> From: Yun Levi Date: Tue, 30 Aug 2022 13:28:19 +0900 Message-ID: Subject: [PATCH-RESEND] arm64/kexec: Fix missing extra range for crashkres_low. To: will@kernel.org, chenzhou10@huawei.com, nramas@linux.microsoft.com, thunder.leizhen@huawei.com Cc: linux-arm-kernel@lists.infradead.org, Linux Kernel Mailing List , kexec@lists.infradead.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Like crashk_res, Calling crash_exclude_mem_range function with crashk_low_res area would need extra crash_mem range too. Add one extra crash_mem range when crashk_low_res is used. Signed-off-by: Levi Yun --- arch/arm64/kernel/machine_kexec_file.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/kernel/machine_kexec_file.c b/arch/arm64/kernel/machine_kexec_file.c index 889951291cc0..378aee04e7d4 100644 --- a/arch/arm64/kernel/machine_kexec_file.c +++ b/arch/arm64/kernel/machine_kexec_file.c @@ -51,6 +51,9 @@ static int prepare_elf_headers(void **addr, unsigned long= *sz) for_each_mem_range(i, &start, &end) nr_ranges++; + if (crashk_low_res.end) + nr_ranges++; /**< for exclusion of crashkernel=3Dsize,low region */ + cmem =3D kmalloc(struct_size(cmem, ranges, nr_ranges), GFP_KERNEL); if (!cmem) return -ENOMEM; -- 2.35.1