From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx108.postini.com [74.125.245.108]) by kanga.kvack.org (Postfix) with SMTP id 19DF16B0005 for ; Wed, 6 Mar 2013 23:05:08 -0500 (EST) Date: Wed, 6 Mar 2013 23:05:04 -0500 (EST) From: CAI Qian 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 Sender: owner-linux-mm@kvack.org List-ID: To: Shaohua Li Cc: linux-mm , linux-kernel , Hugh Dickins , Rik van Riel , Sasha Levin , Andrew Morton , Linus Torvalds 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org