Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757000Ab3CGEFM (ORCPT ); Wed, 6 Mar 2013 23:05:12 -0500 Received: from mx4-phx2.redhat.com ([209.132.183.25]:41504 "EHLO mx4-phx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754223Ab3CGEFK (ORCPT ); Wed, 6 Mar 2013 23:05:10 -0500 Date: Wed, 6 Mar 2013 23:05:04 -0500 (EST) From: CAI Qian To: Shaohua Li Cc: linux-mm , linux-kernel , Hugh Dickins , Rik van Riel , Sasha Levin , Andrew Morton , Linus Torvalds Message-ID: <1648837228.10483479.1362629104045.JavaMail.root@redhat.com> In-Reply-To: <1543700056.10481632.1362628775559.JavaMail.root@redhat.com> Subject: change of behavior for madvise in 3.9-rc1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [10.66.13.149] X-Mailer: Zimbra 7.2.0_GA_2669 (ZimbraWebClient - FF3.0 (Linux)/7.2.0_GA_2669) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1329 Lines: 26 Bisecting indicated that this commit, 1998cc048901109a29924380b8e91bc049b32951 mm: make madvise(MADV_WILLNEED) support swap file prefetch Caused an LTP test failure, http://goo.gl/1FVPy madvise02 1 TPASS : failed as expected: TEST_ERRNO=EINVAL(22): Invalid argument madvise02 2 TPASS : failed as expected: TEST_ERRNO=EINVAL(22): Invalid argument madvise02 3 TPASS : failed as expected: TEST_ERRNO=EINVAL(22): Invalid argument madvise02 4 TPASS : failed as expected: TEST_ERRNO=ENOMEM(12): Cannot allocate memory madvise02 5 TFAIL : madvise succeeded unexpectedly While it passed without the above commit madvise02 1 TPASS : failed as expected: TEST_ERRNO=EINVAL(22): Invalid argument madvise02 2 TPASS : failed as expected: TEST_ERRNO=EINVAL(22): Invalid argument madvise02 3 TPASS : failed as expected: TEST_ERRNO=EINVAL(22): Invalid argument madvise02 4 TPASS : failed as expected: TEST_ERRNO=ENOMEM(12): Cannot allocate memory madvise02 5 TPASS : failed as expected: TEST_ERRNO=EBADF(9): Bad file descriptor CAI Qian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/