From patchwork Wed Nov 16 01:23:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Li X-Patchwork-Id: 13044318 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 D5069C433FE for ; Wed, 16 Nov 2022 01:23:54 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3E1266B0073; Tue, 15 Nov 2022 20:23:54 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 36A356B0074; Tue, 15 Nov 2022 20:23:54 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 231608E0001; Tue, 15 Nov 2022 20:23:54 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 1032E6B0073 for ; Tue, 15 Nov 2022 20:23:54 -0500 (EST) Received: from smtpin25.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id D80FBAB8DB for ; Wed, 16 Nov 2022 01:23:53 +0000 (UTC) X-FDA: 80137558746.25.6CE7D87 Received: from out30-43.freemail.mail.aliyun.com (out30-43.freemail.mail.aliyun.com [115.124.30.43]) by imf06.hostedemail.com (Postfix) with ESMTP id 1C069180002 for ; Wed, 16 Nov 2022 01:23:51 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R111e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045168;MF=yang.lee@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0VUv8ln1_1668561826; Received: from localhost(mailfrom:yang.lee@linux.alibaba.com fp:SMTPD_---0VUv8ln1_1668561826) by smtp.aliyun-inc.com; Wed, 16 Nov 2022 09:23:48 +0800 From: Yang Li To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Yang Li , Abaci Robot Subject: [PATCH -next] migrate: stop using 0 as NULL pointer Date: Wed, 16 Nov 2022 09:23:45 +0800 Message-Id: <20221116012345.84870-1-yang.lee@linux.alibaba.com> X-Mailer: git-send-email 2.20.1.7.g153144c MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1668561833; 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-transfer-encoding:content-transfer-encoding: in-reply-to:references; bh=8RCXuZtWtjxoBVX8iAH7grfRaF1YM2xqsuPSC+MDSsk=; b=1xF1NOZhJf49litAcKSo9NG8TzeY+zzmp0m9ArXbExBdmofw/bYm9XFLWJdcHN/waDHl7U 985foTer7GydkozlAOlmuF7uc1wOjTvhwiHmi0Q9Lr0i2SuIknST7QXg3eN927numaL1Q+ UiaCfx9yXDEajyG3i8iZmmdV8xtgUGQ= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=alibaba.com; spf=pass (imf06.hostedemail.com: domain of yang.lee@linux.alibaba.com designates 115.124.30.43 as permitted sender) smtp.mailfrom=yang.lee@linux.alibaba.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1668561833; a=rsa-sha256; cv=none; b=fTuaHipNGvPaJF9jsO5qXI42YWs0B35rP4W6h5phaQmEAuqZ+XTXVw158FBQCS75VxUjAd a2hiiZGuUf53AZdhg7jG7ZWT8bn7BO3MxVy6A96piH5sAz4IaavwXBtcIdazpHDAm3PMhO oMpfxpfqVq+fLS9OySiMDFQZzocuTwU= X-Rspam-User: X-Stat-Signature: 399y5qzrebdq836jyzizb3jzm8g44m9b X-Rspamd-Queue-Id: 1C069180002 Authentication-Results: imf06.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=alibaba.com; spf=pass (imf06.hostedemail.com: domain of yang.lee@linux.alibaba.com designates 115.124.30.43 as permitted sender) smtp.mailfrom=yang.lee@linux.alibaba.com X-Rspamd-Server: rspam07 X-HE-Tag: 1668561831-521941 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: mm/migrate.c:1198:24: warning: Using plain integer as NULL pointer Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3080 Reported-by: Abaci Robot Signed-off-by: Yang Li Reviewed-by: David Hildenbrand --- mm/migrate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/migrate.c b/mm/migrate.c index 15dc56a3da7a..e50b3c42e6ad 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1195,7 +1195,7 @@ static int unmap_and_move(new_page_t get_new_page, return -ENOMEM; dst = page_folio(newpage); - dst->private = 0; + dst->private = NULL; rc = __unmap_and_move(src, dst, force, mode); if (rc == MIGRATEPAGE_SUCCESS) set_page_owner_migrate_reason(&dst->page, reason);