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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id B453CECAAD3 for ; Wed, 14 Sep 2022 06:52:12 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id F114F6B0071; Wed, 14 Sep 2022 02:52:11 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id EC1228D0001; Wed, 14 Sep 2022 02:52:11 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D883C6B0074; Wed, 14 Sep 2022 02:52:11 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id CBC806B0071 for ; Wed, 14 Sep 2022 02:52:11 -0400 (EDT) Received: from smtpin18.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id AA163402CC for ; Wed, 14 Sep 2022 06:52:11 +0000 (UTC) X-FDA: 79909771662.18.0577106 Received: from out1.migadu.com (out1.migadu.com [91.121.223.63]) by imf26.hostedemail.com (Postfix) with ESMTP id 279E21400BF for ; Wed, 14 Sep 2022 06:52:10 +0000 (UTC) Content-Type: text/plain; charset=us-ascii DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1663138328; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EdcxFVPfL3oNvUbsts76ibZFxG9H40u/DZs2oEJmCVQ=; b=cuxhsptteKa/Nl693vjyLcG8c5CWcdmBhSrzS84Nzc+mCdRjPQdjYL5elpfmwksIgsHdBI LYLI6nRAAI/ytLRypX2h+sJioeGsa3ob3TI3my7tqVW6AHmRF1Qsi+egTZfwNTkycoNv+v n8KsqMKlsbQ3TrC6bD90gMxEvl332+s= MIME-Version: 1.0 Subject: Re: [PATCH 1/1] mm/hugetlb: Remove unnecessary 'NULL' values from Pointer X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Muchun Song In-Reply-To: <20220914012113.6271-1-xupengfei@nfschina.com> Date: Wed, 14 Sep 2022 14:52:04 +0800 Cc: Mike Kravetz , Muchun Song , akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: <2866AFF1-FDA3-4A44-8542-3D74228577DC@linux.dev> References: <20220914012113.6271-1-xupengfei@nfschina.com> To: XU pengfei X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1663138331; a=rsa-sha256; cv=none; b=ocrpKZvwX+mcXMT2yfCsOf+OM/3NbPMGFBZB18BS57nVeuaMyiUBtRZD+T4Opsp8TVNdun D/poxaCpnnX6N3JrEsLmXihNxzcXXxiXNSirN9uctQOLcOgEBcEd8W2cRXDIweVFAZXKGF b6Kx9djeiHzcINn01l33yrRdwIWlZGM= ARC-Authentication-Results: i=1; imf26.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=cuxhsptt; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf26.hostedemail.com: domain of muchun.song@linux.dev designates 91.121.223.63 as permitted sender) smtp.mailfrom=muchun.song@linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1663138331; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=EdcxFVPfL3oNvUbsts76ibZFxG9H40u/DZs2oEJmCVQ=; b=5KwmU6MVYcmsJxJoQa6cKU2wOp4ED77JMvuu+6vF6RYfsIdomdV2PGgsqh5xZnfmqlpB2h 5XsNnhR5anIATCQZkm6CO++FMFS7fNp/iX0y9MwrmiPvjSCXGcHAdr8so8zV/w5QYgYCxu S37LKU9uf4Uxwad5UuO5iulT3XTcF6A= Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=cuxhsptt; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf26.hostedemail.com: domain of muchun.song@linux.dev designates 91.121.223.63 as permitted sender) smtp.mailfrom=muchun.song@linux.dev X-Rspam-User: X-Rspamd-Server: rspam01 X-Stat-Signature: bo65z9usw694fwyi3kps9ptneuoiwhcw X-Rspamd-Queue-Id: 279E21400BF X-HE-Tag: 1663138330-39204 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Sep 14, 2022, at 09:21, XU pengfei wrote: > > > Pointer variables allocate memory first, and then judge. There is no > need to initialize the assignment. > > Signed-off-by: XU pengfei Reviewed-by: Muchun Song Thanks.