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[2620:137:e000::1:20]) by mx.google.com with ESMTP id v2-20020aa799c2000000b005931febf7c0si299456pfi.225.2023.04.12.18.30.48; Wed, 12 Apr 2023 18:31:00 -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 S229616AbjDMB2A (ORCPT + 99 others); Wed, 12 Apr 2023 21:28:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34008 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229492AbjDMB17 (ORCPT ); Wed, 12 Apr 2023 21:27:59 -0400 Received: from unicom146.biz-email.net (unicom146.biz-email.net [210.51.26.146]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 225E6CF; Wed, 12 Apr 2023 18:27:56 -0700 (PDT) Received: from unicom146.biz-email.net by unicom146.biz-email.net ((D)) with ASMTP (SSL) id IVO00050; Thu, 13 Apr 2023 09:27:50 +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; Thu, 13 Apr 2023 09:27:53 +0800 From: Deming Wang To: , CC: , , , Deming Wang Subject: [PATCH] selftests/mm: Replace obsolete memalign() with posix_memalign() Date: Wed, 12 Apr 2023 21:27:51 -0400 Message-ID: <20230413012751.4445-1-wangdeming@inspur.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-Originating-IP: [10.200.104.82] tUid: 2023413092750fa4388fe447b5709db712d77b7ea7373 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X-GMAIL-THRID: =?utf-8?q?1763022691849067326?= X-GMAIL-MSGID: =?utf-8?q?1763022691849067326?= memalign() is obsolete according to its manpage.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 map 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)