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=-10.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 07758C2B9F7 for ; Fri, 28 May 2021 13:18:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DAA6F613E6 for ; Fri, 28 May 2021 13:18:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235974AbhE1NTg (ORCPT ); Fri, 28 May 2021 09:19:36 -0400 Received: from mx0b-0064b401.pphosted.com ([205.220.178.238]:61544 "EHLO mx0b-0064b401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233711AbhE1NTe (ORCPT ); Fri, 28 May 2021 09:19:34 -0400 Received: from pps.filterd (m0250811.ppops.net [127.0.0.1]) by mx0a-0064b401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 14SDA6li012756; Fri, 28 May 2021 13:17:29 GMT Received: from nam12-bn8-obe.outbound.protection.outlook.com (mail-bn8nam12lp2175.outbound.protection.outlook.com [104.47.55.175]) by mx0a-0064b401.pphosted.com with ESMTP id 38thqe8pbn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 28 May 2021 13:17:29 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=oW23k8rewqMbJ1poOfUnGIfSCfxiPdBe/VzsVzvl2YAUwQRQMFyv3feHXCGpcHGAIq6CVrQevDezfWUDPxpnN5XO/JE5YYdeGOR1iZphdSimqSjm3YI7b1tzMS1wF3TN60kM4VEfJtQgRY08fLb0Zv5EELcKMWlbN9WJIj693/bnNXnR1CMmgeoHB6Lmy1lm08hV4AimApdKYkWRIgZV3FOmQ+HkYfvHTbovQBmUKHL6C8uOYHCzCyCNKSXJVgwalWsV3nghGelf+qurJggIWTTOxFko8270PzFJCUK744ianG4APKTpriDFdCqfCBrAh1auIbawPkXRqb2b8aN2Pg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=SnQiGXDaFEdNrHwld5Hj/HAUaMS9N2bo/2ySeRm6C1c=; b=Juruf7tGhz4ER4X4F20XoKvTkeNgsV7kP9MYLTEmrgkyu4cTO5573LeSGPga3SpzMwNO1MZjPIpT0pS65Dx4qfKVJm34je6dHnSxBDy2GGwb/2VfFN6ItSobPaCnnS+UWFcp4aXTx9EfaTW5lhypgS+vSGoxE4pOVh279fnPzaX907PqVWlUrX/1poOU8N3IVU4QiLYrH3ij52Hxt2k6ks4fzTFCCH2fE6Q6OWVZnlcACF86EckJXPnkGA/E2UgsRYM1EGUDyeOpO3NzWKwNL/k/boDRS7fzXZsaeFZbNZsjqK/Gg+/bdoeZ9dhOE9C6MzhC8eUIswQdZYXU+G0M7g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=windriver.com; dmarc=pass action=none header.from=windriver.com; dkim=pass header.d=windriver.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=windriversystems.onmicrosoft.com; s=selector2-windriversystems-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=SnQiGXDaFEdNrHwld5Hj/HAUaMS9N2bo/2ySeRm6C1c=; b=YxeztlWn33GrabTaVRUZRFlyuSNOvKKq6wmltPUuH2ymSwgONPmL7oqhsFlBomfHOx6Prl1RxU4Ivm3hgDfja+fQJsODh5PGAyupv5iI+MjBMWeT1DJnUaRs4QnPW7Chnv+RwVh5smnw7ZA86AuOS5OGO0tkY1yXgeN7+xw5DPI= Authentication-Results: vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=windriver.com; Received: from BY5PR11MB4241.namprd11.prod.outlook.com (2603:10b6:a03:1ca::13) by BY5PR11MB3976.namprd11.prod.outlook.com (2603:10b6:a03:187::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4173.24; Fri, 28 May 2021 13:17:26 +0000 Received: from BY5PR11MB4241.namprd11.prod.outlook.com ([fe80::34b3:17c2:b1ad:286c]) by BY5PR11MB4241.namprd11.prod.outlook.com ([fe80::34b3:17c2:b1ad:286c%5]) with mapi id 15.20.4173.026; Fri, 28 May 2021 13:17:26 +0000 Subject: Re: [PATCH v2 5/6] ARM: use "* SZ_1M" rather than "<< 20" To: "Russell King (Oracle)" Cc: rppt@kernel.org, ardb@kernel.org, linus.walleij@linaro.org, akpm@linux-foundation.org, carver4lio@163.com, tiantao6@hisilicon.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20210518120633.GW12395@shell.armlinux.org.uk> From: "Xu, Yanfei" Message-ID: Date: Fri, 28 May 2021 21:17:17 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [60.247.85.82] X-ClientProxiedBy: HK2PR04CA0072.apcprd04.prod.outlook.com (2603:1096:202:15::16) To BY5PR11MB4241.namprd11.prod.outlook.com (2603:10b6:a03:1ca::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [128.224.162.160] (60.247.85.82) by HK2PR04CA0072.apcprd04.prod.outlook.com (2603:1096:202:15::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4173.20 via Frontend Transport; Fri, 28 May 2021 13:17:23 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: d97c658f-6275-4a20-f2a8-08d921daefcf X-MS-TrafficTypeDiagnostic: BY5PR11MB3976: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:626; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BY5PR11MB4241.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(396003)(39840400004)(376002)(346002)(366004)(136003)(6666004)(16526019)(186003)(4326008)(956004)(2616005)(66556008)(478600001)(16576012)(66476007)(6486002)(66946007)(316002)(8676002)(4744005)(31686004)(5660300002)(53546011)(52116002)(2906002)(8936002)(6706004)(31696002)(38100700002)(38350700002)(36756003)(26005)(86362001)(78286007)(43740500002)(45980500001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: =?utf-8?B?UmZqV0dRaS9UeGg0emt4bURvK3F5cVdBOGFDdlVYSTRwQmlKTlJTWFN4MlNu?= =?utf-8?B?R0pKNXRlVm00c24xbUlTVVZmOHV3U1VXQ3Q2SVoxdkhoVHNGQlVZdmdrd2lG?= =?utf-8?B?Um9nQ25RRVJ1amlBd2svWjc5SGNaUDBFNzBmN2FreFo3MkpMVzY2cXdYWkE4?= =?utf-8?B?ajhuT2hFWHViUUpibmhwb0d0RkVtV040NUw1VFYxbnRNNEtxdEk1TVdqUUlj?= =?utf-8?B?MEdNSXlGTEsxaVBKbDdFRnBCK3dZSE0ydjgvZmU3cTFMdW5GZjJkOGNsRnNw?= =?utf-8?B?OTg0bHhOWjk5WDhuREpiczNjMHlDM3Evd1d3cWdoRFcrQ0pvV1RObHo3dU53?= =?utf-8?B?RExBSUI4TEVOY3pvVEQvSHpHdGVCV2VrZ2w0cFBFYktONWhTR0VpMXVTTHUy?= =?utf-8?B?aCs0bVZKMndjQ3UvdlB4ZldweTVONXVndEhPVTFFcG93RG5UcXp4VXZLdUxq?= =?utf-8?B?aG5LSUxVT0ZXYjVHSmc1K3dSeFZyaU4wK0IrOUE4ajA1SWVPK20rdlhVTy9n?= =?utf-8?B?enYvVDFnZ1U3enYxelJSMHBmRXpmUm50L3k4d0JUbnpRTXVORmZaR3lPczM5?= =?utf-8?B?SnNEUE1HQm5XN1JtQmlaR3g3OUxTUStVZTdmVXp3bTNpRG9aRDk2L3lGZU5D?= =?utf-8?B?ZCtLNEllM2FsYWNYcCtkL1lxeG5MWTBtY0ZQbWNVVS9rSnk2VWgrQzNsZEhw?= =?utf-8?B?dkFIckhWaWhFRkFuWlJaQkhYZlcyRFJJZW1MSnRQYUlnYStkaFQ5WjBEYWdE?= =?utf-8?B?Zm01Q3VrNnRwdDVqaklQNnR5bEhLSUpQRjNQVmw5YXlCMTFJdEMyVkJXRS8w?= =?utf-8?B?bDdXRjI2Qlh4UERlNzNJbDZ3S2hNMWJ5L3ZEbFk5VVlRZm9SY3N1TWFEbVo0?= =?utf-8?B?UUFMck5LS1VyZE52a2lJR2pveDhxSFY3TDMxUVVuUFF2c2xqajZuL2xFRHdt?= =?utf-8?B?cnJxZzdYWGxscWZzSjEyeE1sS3NaNVJqVkh4SlNtT0JSUU9abWhnalMzWWNR?= =?utf-8?B?K2E5Qmk3Snd1ZmRGbHJhTytaN0t1c0s5ckthR1lWdkM4UGU1d0l2Sm1JeGoz?= =?utf-8?B?eTRyT29OWHJ5Ynd2QjlHTEJvQ1o5bXRnZGdxc0JCSGRnME9KWVFxK2dqNVhU?= =?utf-8?B?elg1WmtWVXd1OHkzNkdxSjBSRWszUnlaK0ZGRmFRMnVTSUFIWWJ0NnQ0UTZs?= =?utf-8?B?Qm45d0NlVzBxaWZobkRIRnZ5aVhlSWY1VGR6YW9RU2pzNXJqTHdNVU54Y0w2?= =?utf-8?B?c2FQdm1RYkZ4REpMMTVnRXg2VVZtSWNwa2ZScnBtQVB0MzNocU9ucGVGajV3?= =?utf-8?B?TWpZV3dMUGdDc0gwRW8rMlV5cFU5RlEvQk4yKzdFb1RQQnpXUC83cmN0ekJV?= =?utf-8?B?SWFqeEUyM3lPaDFPWE4rQVJBY2g5ekZ0eGJqZ3VIb3JpQS9kcWROVnRQRHRO?= =?utf-8?B?ZmpIenB3NTZVU1BKNGpmV29YV2FMck5lalpmcG85UnRFbXNBWnJPN21NWlR5?= =?utf-8?B?WGE1VWJPTTl6RHpOUzVDSC9ZZ201VnQzUHJxNTJYOWwrSXMvMktuRlNSMndD?= =?utf-8?B?dGtLd1R2N2dnNHNzVkpRUWEwVWhZS2lhZXRIZUU3MUhOanhOeFBHb0dHWG5G?= =?utf-8?B?aDBzQVM3a0pUc2lVK2lJVXlENDhEa2RiVDdnelp0THJJemJpSytET2dnZmEw?= =?utf-8?B?a1JtQnJhWjlXYnRWQStobUFYdVNCM1ZzamtWMEZFVVBWRi85WXFwbjY4eVMy?= =?utf-8?Q?XIUzZD9qlHlwfZu/DGy+3VHvNcnj9BfPLvqIaZk?= X-OriginatorOrg: windriver.com X-MS-Exchange-CrossTenant-Network-Message-Id: d97c658f-6275-4a20-f2a8-08d921daefcf X-MS-Exchange-CrossTenant-AuthSource: BY5PR11MB4241.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 May 2021 13:17:26.0884 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8ddb2873-a1ad-4a18-ae4e-4644631433be X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: MOcJDtOEOMLNpgyvSIvZtkXzyRchiZ2Fi9h2pLmFS++/QN7sKYfqwOrYNco9X/ezb4GFkK9V8L8xRXDkhZrJzw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR11MB3976 X-Proofpoint-GUID: QBFBYoejWQn0v2hdgZYBNEusoeRJcjXO X-Proofpoint-ORIG-GUID: QBFBYoejWQn0v2hdgZYBNEusoeRJcjXO X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.761 definitions=2021-05-28_04:2021-05-27,2021-05-28 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 lowpriorityscore=0 adultscore=0 mlxlogscore=732 phishscore=0 mlxscore=0 impostorscore=0 malwarescore=0 bulkscore=0 clxscore=1015 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2105280088 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/28/21 6:11 PM, Russell King (Oracle) wrote: > Make the default vmalloc size clearer by using a more natural > multiplication by SZ_1M rather than a shift left by 20 bits. > > Signed-off-by: Russell King (Oracle) Reviewed-by: Yanfei Xu Regards, Yanfei > --- 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=-10.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 62BD8C2B9F7 for ; Fri, 28 May 2021 13:46:25 +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 154D061284 for ; Fri, 28 May 2021 13:46:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 154D061284 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=windriver.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=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.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=SImzAYwotB6/7gaKrrVgy622XiUauWNIREDOEvYvLlg=; b=kLVizVAhQ4sZlBnLs4RdqPg7y+ gcYdHKlIy3og4zpSRaIQ6vpOSWtIZjttdn22K6RhAQZiIirGlAfGCe9j9dN11NybQuT2fb1IVUykE KMvfxVvR1fFnJSBywpymXxF0QefYVr7IRElLHgyXHKFwf1skwQben6JLjqnUoIdj0+jViaghTAYPN +8KnteOwRpCq305lLfD5LJ+27Rt/7fXubGkLpNHxlSyGPvge+31VP6h42zRhgF84POuVKa2SYse7w zfbDI3CGPVlo9C7VonLUdAZ/xOmhk8BHJIoEvxQOFtQxMPSm9ZXvru/UkZy0PjdpkQP7cQUwx9hKQ wcfchwhg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lmcli-00Frcu-V8; Fri, 28 May 2021 13:43:21 +0000 Received: from mx0b-0064b401.pphosted.com ([205.220.178.238]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lmcNC-00Fi6t-1x for linux-arm-kernel@lists.infradead.org; Fri, 28 May 2021 13:18:00 +0000 Received: from pps.filterd (m0250811.ppops.net [127.0.0.1]) by mx0a-0064b401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 14SDA6li012756; Fri, 28 May 2021 13:17:29 GMT Received: from nam12-bn8-obe.outbound.protection.outlook.com (mail-bn8nam12lp2175.outbound.protection.outlook.com [104.47.55.175]) by mx0a-0064b401.pphosted.com with ESMTP id 38thqe8pbn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 28 May 2021 13:17:29 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=oW23k8rewqMbJ1poOfUnGIfSCfxiPdBe/VzsVzvl2YAUwQRQMFyv3feHXCGpcHGAIq6CVrQevDezfWUDPxpnN5XO/JE5YYdeGOR1iZphdSimqSjm3YI7b1tzMS1wF3TN60kM4VEfJtQgRY08fLb0Zv5EELcKMWlbN9WJIj693/bnNXnR1CMmgeoHB6Lmy1lm08hV4AimApdKYkWRIgZV3FOmQ+HkYfvHTbovQBmUKHL6C8uOYHCzCyCNKSXJVgwalWsV3nghGelf+qurJggIWTTOxFko8270PzFJCUK744ianG4APKTpriDFdCqfCBrAh1auIbawPkXRqb2b8aN2Pg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=SnQiGXDaFEdNrHwld5Hj/HAUaMS9N2bo/2ySeRm6C1c=; b=Juruf7tGhz4ER4X4F20XoKvTkeNgsV7kP9MYLTEmrgkyu4cTO5573LeSGPga3SpzMwNO1MZjPIpT0pS65Dx4qfKVJm34je6dHnSxBDy2GGwb/2VfFN6ItSobPaCnnS+UWFcp4aXTx9EfaTW5lhypgS+vSGoxE4pOVh279fnPzaX907PqVWlUrX/1poOU8N3IVU4QiLYrH3ij52Hxt2k6ks4fzTFCCH2fE6Q6OWVZnlcACF86EckJXPnkGA/E2UgsRYM1EGUDyeOpO3NzWKwNL/k/boDRS7fzXZsaeFZbNZsjqK/Gg+/bdoeZ9dhOE9C6MzhC8eUIswQdZYXU+G0M7g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=windriver.com; dmarc=pass action=none header.from=windriver.com; dkim=pass header.d=windriver.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=windriversystems.onmicrosoft.com; s=selector2-windriversystems-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=SnQiGXDaFEdNrHwld5Hj/HAUaMS9N2bo/2ySeRm6C1c=; b=YxeztlWn33GrabTaVRUZRFlyuSNOvKKq6wmltPUuH2ymSwgONPmL7oqhsFlBomfHOx6Prl1RxU4Ivm3hgDfja+fQJsODh5PGAyupv5iI+MjBMWeT1DJnUaRs4QnPW7Chnv+RwVh5smnw7ZA86AuOS5OGO0tkY1yXgeN7+xw5DPI= Authentication-Results: vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=windriver.com; Received: from BY5PR11MB4241.namprd11.prod.outlook.com (2603:10b6:a03:1ca::13) by BY5PR11MB3976.namprd11.prod.outlook.com (2603:10b6:a03:187::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4173.24; Fri, 28 May 2021 13:17:26 +0000 Received: from BY5PR11MB4241.namprd11.prod.outlook.com ([fe80::34b3:17c2:b1ad:286c]) by BY5PR11MB4241.namprd11.prod.outlook.com ([fe80::34b3:17c2:b1ad:286c%5]) with mapi id 15.20.4173.026; Fri, 28 May 2021 13:17:26 +0000 Subject: Re: [PATCH v2 5/6] ARM: use "* SZ_1M" rather than "<< 20" To: "Russell King (Oracle)" Cc: rppt@kernel.org, ardb@kernel.org, linus.walleij@linaro.org, akpm@linux-foundation.org, carver4lio@163.com, tiantao6@hisilicon.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20210518120633.GW12395@shell.armlinux.org.uk> From: "Xu, Yanfei" Message-ID: Date: Fri, 28 May 2021 21:17:17 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [60.247.85.82] X-ClientProxiedBy: HK2PR04CA0072.apcprd04.prod.outlook.com (2603:1096:202:15::16) To BY5PR11MB4241.namprd11.prod.outlook.com (2603:10b6:a03:1ca::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [128.224.162.160] (60.247.85.82) by HK2PR04CA0072.apcprd04.prod.outlook.com (2603:1096:202:15::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4173.20 via Frontend Transport; Fri, 28 May 2021 13:17:23 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: d97c658f-6275-4a20-f2a8-08d921daefcf X-MS-TrafficTypeDiagnostic: BY5PR11MB3976: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:626; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:BY5PR11MB4241.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(396003)(39840400004)(376002)(346002)(366004)(136003)(6666004)(16526019)(186003)(4326008)(956004)(2616005)(66556008)(478600001)(16576012)(66476007)(6486002)(66946007)(316002)(8676002)(4744005)(31686004)(5660300002)(53546011)(52116002)(2906002)(8936002)(6706004)(31696002)(38100700002)(38350700002)(36756003)(26005)(86362001)(78286007)(43740500002)(45980500001); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: =?utf-8?B?UmZqV0dRaS9UeGg0emt4bURvK3F5cVdBOGFDdlVYSTRwQmlKTlJTWFN4MlNu?= =?utf-8?B?R0pKNXRlVm00c24xbUlTVVZmOHV3U1VXQ3Q2SVoxdkhoVHNGQlVZdmdrd2lG?= =?utf-8?B?Um9nQ25RRVJ1amlBd2svWjc5SGNaUDBFNzBmN2FreFo3MkpMVzY2cXdYWkE4?= =?utf-8?B?ajhuT2hFWHViUUpibmhwb0d0RkVtV040NUw1VFYxbnRNNEtxdEk1TVdqUUlj?= =?utf-8?B?MEdNSXlGTEsxaVBKbDdFRnBCK3dZSE0ydjgvZmU3cTFMdW5GZjJkOGNsRnNw?= =?utf-8?B?OTg0bHhOWjk5WDhuREpiczNjMHlDM3Evd1d3cWdoRFcrQ0pvV1RObHo3dU53?= =?utf-8?B?RExBSUI4TEVOY3pvVEQvSHpHdGVCV2VrZ2w0cFBFYktONWhTR0VpMXVTTHUy?= =?utf-8?B?aCs0bVZKMndjQ3UvdlB4ZldweTVONXVndEhPVTFFcG93RG5UcXp4VXZLdUxq?= =?utf-8?B?aG5LSUxVT0ZXYjVHSmc1K3dSeFZyaU4wK0IrOUE4ajA1SWVPK20rdlhVTy9n?= =?utf-8?B?enYvVDFnZ1U3enYxelJSMHBmRXpmUm50L3k4d0JUbnpRTXVORmZaR3lPczM5?= =?utf-8?B?SnNEUE1HQm5XN1JtQmlaR3g3OUxTUStVZTdmVXp3bTNpRG9aRDk2L3lGZU5D?= =?utf-8?B?ZCtLNEllM2FsYWNYcCtkL1lxeG5MWTBtY0ZQbWNVVS9rSnk2VWgrQzNsZEhw?= =?utf-8?B?dkFIckhWaWhFRkFuWlJaQkhYZlcyRFJJZW1MSnRQYUlnYStkaFQ5WjBEYWdE?= =?utf-8?B?Zm01Q3VrNnRwdDVqaklQNnR5bEhLSUpQRjNQVmw5YXlCMTFJdEMyVkJXRS8w?= =?utf-8?B?bDdXRjI2Qlh4UERlNzNJbDZ3S2hNMWJ5L3ZEbFk5VVlRZm9SY3N1TWFEbVo0?= =?utf-8?B?UUFMck5LS1VyZE52a2lJR2pveDhxSFY3TDMxUVVuUFF2c2xqajZuL2xFRHdt?= =?utf-8?B?cnJxZzdYWGxscWZzSjEyeE1sS3NaNVJqVkh4SlNtT0JSUU9abWhnalMzWWNR?= =?utf-8?B?K2E5Qmk3Snd1ZmRGbHJhTytaN0t1c0s5ckthR1lWdkM4UGU1d0l2Sm1JeGoz?= =?utf-8?B?eTRyT29OWHJ5Ynd2QjlHTEJvQ1o5bXRnZGdxc0JCSGRnME9KWVFxK2dqNVhU?= =?utf-8?B?elg1WmtWVXd1OHkzNkdxSjBSRWszUnlaK0ZGRmFRMnVTSUFIWWJ0NnQ0UTZs?= =?utf-8?B?Qm45d0NlVzBxaWZobkRIRnZ5aVhlSWY1VGR6YW9RU2pzNXJqTHdNVU54Y0w2?= =?utf-8?B?c2FQdm1RYkZ4REpMMTVnRXg2VVZtSWNwa2ZScnBtQVB0MzNocU9ucGVGajV3?= =?utf-8?B?TWpZV3dMUGdDc0gwRW8rMlV5cFU5RlEvQk4yKzdFb1RQQnpXUC83cmN0ekJV?= =?utf-8?B?SWFqeEUyM3lPaDFPWE4rQVJBY2g5ekZ0eGJqZ3VIb3JpQS9kcWROVnRQRHRO?= =?utf-8?B?ZmpIenB3NTZVU1BKNGpmV29YV2FMck5lalpmcG85UnRFbXNBWnJPN21NWlR5?= =?utf-8?B?WGE1VWJPTTl6RHpOUzVDSC9ZZ201VnQzUHJxNTJYOWwrSXMvMktuRlNSMndD?= =?utf-8?B?dGtLd1R2N2dnNHNzVkpRUWEwVWhZS2lhZXRIZUU3MUhOanhOeFBHb0dHWG5G?= =?utf-8?B?aDBzQVM3a0pUc2lVK2lJVXlENDhEa2RiVDdnelp0THJJemJpSytET2dnZmEw?= =?utf-8?B?a1JtQnJhWjlXYnRWQStobUFYdVNCM1ZzamtWMEZFVVBWRi85WXFwbjY4eVMy?= =?utf-8?Q?XIUzZD9qlHlwfZu/DGy+3VHvNcnj9BfPLvqIaZk?= X-OriginatorOrg: windriver.com X-MS-Exchange-CrossTenant-Network-Message-Id: d97c658f-6275-4a20-f2a8-08d921daefcf X-MS-Exchange-CrossTenant-AuthSource: BY5PR11MB4241.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 May 2021 13:17:26.0884 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8ddb2873-a1ad-4a18-ae4e-4644631433be X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: MOcJDtOEOMLNpgyvSIvZtkXzyRchiZ2Fi9h2pLmFS++/QN7sKYfqwOrYNco9X/ezb4GFkK9V8L8xRXDkhZrJzw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR11MB3976 X-Proofpoint-GUID: QBFBYoejWQn0v2hdgZYBNEusoeRJcjXO X-Proofpoint-ORIG-GUID: QBFBYoejWQn0v2hdgZYBNEusoeRJcjXO X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-05-28_04:2021-05-27, 2021-05-28 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 lowpriorityscore=0 adultscore=0 mlxlogscore=732 phishscore=0 mlxscore=0 impostorscore=0 malwarescore=0 bulkscore=0 clxscore=1015 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2105280088 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210528_061758_270409_99900682 X-CRM114-Status: GOOD ( 11.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 5/28/21 6:11 PM, Russell King (Oracle) wrote: > Make the default vmalloc size clearer by using a more natural > multiplication by SZ_1M rather than a shift left by 20 bits. > > Signed-off-by: Russell King (Oracle) Reviewed-by: Yanfei Xu Regards, Yanfei > --- _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel