From patchwork Wed Apr 12 09:35:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Deming Wang X-Patchwork-Id: 82342 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp192220vqo; Wed, 12 Apr 2023 02:40:56 -0700 (PDT) X-Google-Smtp-Source: AKy350aWuWC1tTrqLqHtdhXzTIRrJkfrrempNcZvveggqc8rvRTMWlepZJik9XPMguNmO2BlHN91 X-Received: by 2002:a17:902:ec86:b0:1a1:465b:2d22 with SMTP id x6-20020a170902ec8600b001a1465b2d22mr7215307plg.47.1681292455640; Wed, 12 Apr 2023 02:40:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1681292455; cv=none; d=google.com; s=arc-20160816; b=fE9wMYsTQ84tP2+NkWUQuUAWXwzFXB29CYUD05e1PLdUWscV6x/qJrgLgIjfQ3ZEVS pCUUjzM3detbpFh6im6dTeUNe21fc/Rno8E3HTsrtFkQDHGCQW2Ax/PKSdQCNJnUxJJz bFAmnpkcb3dcyJGByEdLWfr8cBPtcBXHMHeqYuRl7tSkyreZ90CGkJp0jqZmL15njTBe IzuEVKw03N2y0SjfY/Cd1HMYwYBueuE/5wjZRC+PLCCZlvXAfJzSt1gsLXIrN0xhnlcD GyYzZpHUNMheyEn8jymO7ahYjNPWcffnWjwC9ThQqHbXnw47zMuXtqsQRxx3JOvftuXM ykAw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:abuse-reports-to:tuid:content-transfer-encoding :mime-version:message-id:date:subject:cc:to:from; bh=CKXAA4efZHnnNuCEyxLoBmCV3TOiFptIl67VQa7hbyw=; b=IepTXBVGwDci7horbCl71NYNI26EBUx6XVnIjYmxwGiZ+xkvDY/zFR/BJnlF4oKtvh bO+/hVBGiH6+jVOT2L04xvwhStQglhV/+BXr20BxCtYO3g/hqeZcIzEsIMCvwqoXMdh1 dbuvGp6OLksZ4s3DjkQOuvyI+jp2MLXHnIQijgi1J/6EtQfsJguZWTKTLkqfstFKfGEq 4oMtxEaBwsO4XjwQBZWuYcMIJBmmvmPEOHW/xzWTQtUvYc9/5zrhHww1HfFbA7UgjWAE crwtMTn3UoUgRLMBKqjSwVpw6JJ4Pi+ag5acOqRekTKewOrbKV+8R+pP4SKantMT916B IUKw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id u16-20020a170903125000b0019cac966629si16803190plh.245.2023.04.12.02.40.43; Wed, 12 Apr 2023 02:40:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231409AbjDLJfd (ORCPT + 99 others); Wed, 12 Apr 2023 05:35:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51782 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231366AbjDLJfa (ORCPT ); Wed, 12 Apr 2023 05:35:30 -0400 Received: from unicom145.biz-email.net (unicom145.biz-email.net [210.51.26.145]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 75F0630F5; Wed, 12 Apr 2023 02:35:27 -0700 (PDT) Received: from unicom145.biz-email.net by unicom145.biz-email.net ((D)) with ASMTP (SSL) id IFW00122; Wed, 12 Apr 2023 17:35:22 +0800 Received: from localhost.localdomain.com (10.200.104.82) by jtjnmail201603.home.langchao.com (10.100.2.3) with Microsoft SMTP Server id 15.1.2507.21; Wed, 12 Apr 2023 17:35:22 +0800 From: Deming Wang To: , CC: , , , Deming Wang Subject: [PATCH] selftests/mm: Replace obsolete memalign() with posix_memalign() Date: Wed, 12 Apr 2023 05:35:20 -0400 Message-ID: <20230412093520.1591-1-wangdeming@inspur.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-Originating-IP: [10.200.104.82] tUid: 2023412173522d022ab94ac53f1569611c052fd20a5b4 X-Abuse-Reports-To: service@corp-email.com Abuse-Reports-To: service@corp-email.com X-Complaints-To: service@corp-email.com X-Report-Abuse-To: service@corp-email.com X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1762962917900266462?= X-GMAIL-MSGID: =?utf-8?q?1762962917900266462?= memalign() is obsolete according to its manpage. Replace memalign() with posix_memalign(). As a pointer is passed into posix_memalign(),initialize *map to NULL,to silence a warning about the function's return value being used as uninitialized (which is not valid anyway because the error is properly checked before p is returned). Signed-off-by: Deming Wang --- tools/testing/selftests/mm/soft-dirty.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/mm/soft-dirty.c b/tools/testing/selftests/mm/soft-dirty.c index 21d8830c5f24..c99350e110ec 100644 --- a/tools/testing/selftests/mm/soft-dirty.c +++ b/tools/testing/selftests/mm/soft-dirty.c @@ -80,9 +80,9 @@ static void test_hugepage(int pagemap_fd, int pagesize) int i, ret; size_t hpage_len = read_pmd_pagesize(); - map = memalign(hpage_len, hpage_len); - if (!map) - ksft_exit_fail_msg("memalign failed\n"); + ret = posix_memalign((void **)(&map), hpage_len, hpage_len); + if (ret < 0) + ksft_exit_fail_msg("posix_memalign failed\n"); ret = madvise(map, hpage_len, MADV_HUGEPAGE); if (ret)