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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 782ECC6FD20 for ; Fri, 24 Mar 2023 06:12:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231419AbjCXGMu (ORCPT ); Fri, 24 Mar 2023 02:12:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43216 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229484AbjCXGMs (ORCPT ); Fri, 24 Mar 2023 02:12:48 -0400 X-Greylist: delayed 917 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Thu, 23 Mar 2023 23:12:45 PDT Received: from m1360.mail.163.com (m1360.mail.163.com [220.181.13.60]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B7AAD15147 for ; Thu, 23 Mar 2023 23:12:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:Subject:Content-Type:MIME-Version: Message-ID; bh=YwRZQgLssuEVHqSJNlLh2ATcMxHte0Lp0qjfaDXiK1E=; b=j DWz4F229Onu5Cj/FKIp+meNAuYAKoxym9DFXwhIz4FmmnXa1r4iLKbyo8QadGTgj 7DBUnXqkX3GnwrMKZg/KtHwuBbBXk+NN67yk1U5keWVqaNDoEwk8SYg+Bs3RD4vw TPXf2miF+zBicFKl9WrczpScqklVf/cSdGBC8Ndrzg= Received: from jhb_ee$163.com ( [113.105.127.219] ) by ajax-webmail-wmsvr60 (Coremail) ; Fri, 24 Mar 2023 13:56:42 +0800 (CST) X-Originating-IP: [113.105.127.219] Date: Fri, 24 Mar 2023 13:56:42 +0800 (CST) From: =?GBK?B?tefX0w==?= To: rppt@kernel.org Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re:[PATCH] memblock: Correct calculation method for overflowing range @size X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20230109(dcb5de15) Copyright (c) 2002-2023 www.mailtech.cn 163com In-Reply-To: <20230324052351.31106-1-jhb_ee@163.com> References: <20230324052351.31106-1-jhb_ee@163.com> X-NTES-SC: AL_QuycC/qYuEwr5CWdZukXn0oUhOs2XMq5s/4k2INTP5k0vCr89zAMXWFAEEv56vOXEB+grgabewlP2NVBdqd9Y50bWySHdvXd5MQ8MjCx36CC Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK MIME-Version: 1.0 Message-ID: <2032a48e.3206.1871230d3bb.Coremail.jhb_ee@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID: PMGowAB3mDSaOx1k3eIAAA--.9128W X-CM-SenderInfo: 5mkesvrh6rljoofrz/1tbiRRM8fGDuzJsGygABsC X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ClNvcnJ5LCB0aGUgc2l6ZSBoZXJlIG1heSBiZSBjYWxjdWxhdGVkIGFjY29yZGluZyB0byB0aGlz IGZvcm11bGEsIGNhbmNlbCB0aGlzIHBhdGNoCgoKCgpBdCAyMDIzLTAzLTI0IDEzOjIzOjUxLCAi SG9uZ2JpbiBKaSIgPGpoYl9lZUAxNjMuY29tPiB3cm90ZToKPldoZW4gbWVtYmxvY2sgdXNlcnMg dG8gc3BlY2lmeSByYW5nZSB3aGVyZSBAYmFzZSArIEBzaXplIG92ZXJmbG93cwo+YW5kIGF1dG9t YXRpY2FsbHkgY2FwIGl0IGF0IG1heGltdW0sIFRoZSBuZXcgc2l6ZSBzaG91bGQgYmUKPlBIWVNf QUREUl9NQVggLSBAYmFzZSArIDEuCj4KPkFzc3VtaW5nIHRoYXQgYmFzZSBpcyAwLCBQSFlTX0FE RFJfTUFYIGlzIDB4ZmYsIHdoaWNoIGlzIDI1NSBpbiBkZWNpbWFsLAo+dGhlbiBAc2l6ZSBzaG91 bGQgYmUgMjU2IGluc3RlYWQgb2YgMjU1Cj4KPlNpZ25lZC1vZmYtYnk6IEhvbmdiaW4gSmkgPGpo Yl9lZUAxNjMuY29tPgo+LS0tCj4gbW0vbWVtYmxvY2suYyB8IDIgKy0KPiAxIGZpbGUgY2hhbmdl ZCwgMSBpbnNlcnRpb24oKyksIDEgZGVsZXRpb24oLSkKPgo+ZGlmZiAtLWdpdCBhL21tL21lbWJs b2NrLmMgYi9tbS9tZW1ibG9jay5jCj5pbmRleCAyNWZkMDYyNmE5ZTcuLmYxNjgzZDFkYWU2NSAx MDA2NDQKPi0tLSBhL21tL21lbWJsb2NrLmMKPisrKyBiL21tL21lbWJsb2NrLmMKPkBAIC0xNjks NyArMTY5LDcgQEAgc3RhdGljIGVudW0gbWVtYmxvY2tfZmxhZ3MgX19pbml0X21lbWJsb2NrIGNo b29zZV9tZW1ibG9ja19mbGFncyh2b2lkKQo+IC8qIGFkanVzdCAqQHNpemUgc28gdGhhdCAoQGJh c2UgKyAqQHNpemUpIGRvZXNuJ3Qgb3ZlcmZsb3csIHJldHVybiBuZXcgc2l6ZSAqLwo+IHN0YXRp YyBpbmxpbmUgcGh5c19hZGRyX3QgbWVtYmxvY2tfY2FwX3NpemUocGh5c19hZGRyX3QgYmFzZSwg cGh5c19hZGRyX3QgKnNpemUpCj4gewo+LQlyZXR1cm4gKnNpemUgPSBtaW4oKnNpemUsIFBIWVNf QUREUl9NQVggLSBiYXNlKTsKPisJcmV0dXJuICpzaXplID0gbWluKCpzaXplLCBQSFlTX0FERFJf TUFYIC0gYmFzZSArIDEpOwo+IH0KPiAKPiAvKgo+LS0gCj4yLjM0LjEK