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@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>