From nobody Fri Dec 26 21:07:36 2025 Received: from mail-pj1-f44.google.com (mail-pj1-f44.google.com [209.85.216.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 516B514F67 for ; Tue, 2 Jan 2024 14:50:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="K9+gvbW8" Received: by mail-pj1-f44.google.com with SMTP id 98e67ed59e1d1-28c467446f0so4159082a91.0 for ; Tue, 02 Jan 2024 06:50:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1704207019; x=1704811819; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=nx9emZL9ku/A2bkH8s+Myg+EcmBlTQ3WIwd3hli5Dao=; b=K9+gvbW8XwHe079jSn5gCAvnEQ2XmA19vVTdGS1SZmIBvxnSYwtvmOtoxvnDdYXsxW bvGjlDeDpXPp/zMzvZZvcJcSOUspOFB9eIrQmQMnPJwU6mtJmaSv1wqbeAq3AMeqsArM ItoDxaidzPjMWjxpMw3LfFfvYLtxXf8B4XzrI8McHr503FcpQaPebBI4ujVlWph1vWQj kYlEVC6pJcARsJmt9NyD3hnhb808RDiz6xJd0Guv2dSE3464QfmglRut6H3e6hgaCwdM RvP2EQqm+7yMPhaIv6mMQRUWLAaaRmTECKh00j7UxdjHgh7NWvG5bWsjCDIF2y/9e44k hf8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704207019; x=1704811819; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=nx9emZL9ku/A2bkH8s+Myg+EcmBlTQ3WIwd3hli5Dao=; b=YET1OPTpwjrMIYj3LASJumK+W0NJwNYRx8SjKm4FxGX4iNzClfRp8ST0U8K3Tqci9P F4+/u6O5VPIMIDhfKgQOjCDeOaoxVUKolr723+J+UfBZ53KCC7QZLyhT3z6OC9gENANA WKy/MCeULV+ZkJRUHZfFUEGH3RbwixDiRgfKM+B33cWD4cAorznK8EYr+WCYR49h4SJr KoBHUmfTedOsGn8gd0UP4DS3lHTsrBoQnhAgTo2FFbIoPqLeZkLQ3a167gmkK4lgjXdA LlFYDqQq8VcGG8vVgFHndg5Dq36HW9J0bDqhVvx2/yXYicJlFFJ1on3IbevKsCd5oqGE O9MQ== X-Gm-Message-State: AOJu0YxR2OFPv5oiW8QJDkmF0JrbTnIPbsVQZII2qDfphW79uTozf4Sc T4R4v/jRpFrDwRZtRcqG95eGebrilbuLog== X-Google-Smtp-Source: AGHT+IH1AtANcoTpV/1fg7LaSPtmB+gncYnvxJC4l0K9bGliRbPQf3qOvwE+k/EciIKWd+fgvtLnfw== X-Received: by 2002:a17:90b:3781:b0:28b:d31d:bca5 with SMTP id mz1-20020a17090b378100b0028bd31dbca5mr21613623pjb.32.1704207019429; Tue, 02 Jan 2024 06:50:19 -0800 (PST) Received: from code.. ([144.202.108.46]) by smtp.gmail.com with ESMTPSA id 19-20020a17090a005300b0028be216595csm25836878pjb.4.2024.01.02.06.50.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Jan 2024 06:50:19 -0800 (PST) From: Yuntao Wang To: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, x86@kernel.org Cc: Andrew Morton , Baoquan He , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Vivek Goyal , Dave Young , Hari Bathini , Sourabh Jain , Takashi Iwai , Yuntao Wang Subject: [PATCH v2 2/3] x86/crash: use SZ_1M macro instead of hardcoded value Date: Tue, 2 Jan 2024 22:49:04 +0800 Message-ID: <20240102144905.110047-3-ytcoode@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240102144905.110047-1-ytcoode@gmail.com> References: <20240102144905.110047-1-ytcoode@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use SZ_1M macro instead of hardcoded 1<<20 to make code more readable. Signed-off-by: Yuntao Wang Acked-by: Baoquan He --- arch/x86/kernel/crash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c index 792231a56d11..249b5876e7ec 100644 --- a/arch/x86/kernel/crash.c +++ b/arch/x86/kernel/crash.c @@ -170,7 +170,7 @@ static int elf_header_exclude_ranges(struct crash_mem *= cmem) int ret =3D 0; =20 /* Exclude the low 1M because it is always reserved */ - ret =3D crash_exclude_mem_range(cmem, 0, (1<<20)-1); + ret =3D crash_exclude_mem_range(cmem, 0, SZ_1M - 1); if (ret) return ret; =20 --=20 2.43.0