On Wed, 5 Feb 2020 18:38:48 +0800 kbuild test robot <lkp@xxxxxxxxx> wrote: > [-- Attachment #1: Type: text/plain, Size: 24012 bytes --] > > Hi, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on linus/master] > [also build test WARNING on v5.5] > [cannot apply to next-20200205] > [if your patch is applied to the wrong git tree, please drop us a note to help > improve the system. BTW, we also suggest to use '--base' option to specify the > base tree in git format-patch, please see https://stackoverflow.com/a/37406982] > > url: https://github.com/0day-ci/linux/commits/sj38-park-gmail-com/Introduce-Data-Access-MONitor-DAMON/20200204-143127 > base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 322bf2d3446aabdaf5e8887775bd9ced80dbc0f0 > config: i386-allyesconfig (attached as .config) > compiler: gcc-7 (Debian 7.5.0-3) 7.5.0 > reproduce: > # save the attached .config to linux build tree > make ARCH=i386 > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > In file included from include/linux/list.h:9:0, > from include/linux/random.h:10, > from include/linux/damon.h:13, > from mm/damon.c:14: > mm/damon-test.h: In function 'damon_test_str_to_pids': > include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast > (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) > ^ > >> include/kunit/test.h:510:9: note: in expansion of macro '__typecheck' > ((void)__typecheck(__left, __right)); \ > ^~~~~~~~~~~ > >> include/kunit/test.h:534:2: note: in expansion of macro 'KUNIT_BASE_BINARY_ASSERTION' > KUNIT_BASE_BINARY_ASSERTION(test, \ > ^~~~~~~~~~~~~~~~~~~~~~~~~~~ > >> include/kunit/test.h:623:2: note: in expansion of macro 'KUNIT_BASE_EQ_MSG_ASSERTION' > KUNIT_BASE_EQ_MSG_ASSERTION(test, \ > ^~~~~~~~~~~~~~~~~~~~~~~~~~~ > >> include/kunit/test.h:633:2: note: in expansion of macro 'KUNIT_BINARY_EQ_MSG_ASSERTION' > KUNIT_BINARY_EQ_MSG_ASSERTION(test, \ > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > >> include/kunit/test.h:996:2: note: in expansion of macro 'KUNIT_BINARY_EQ_ASSERTION' > KUNIT_BINARY_EQ_ASSERTION(test, KUNIT_EXPECTATION, left, right) > ^~~~~~~~~~~~~~~~~~~~~~~~~ > >> mm/damon-test.h:26:2: note: in expansion of macro 'KUNIT_EXPECT_EQ' > KUNIT_EXPECT_EQ(test, 1l, nr_integers); > ^~~~~~~~~~~~~~~ [...] Thank you for the reporting! Fixed the warnings and an error for i386 build with below changes. If anything wrong, please let me know. Thanks, SeongJae Park diff --git a/mm/damon-test.h b/mm/damon-test.h index ad3ffd1c20e2..c7dc21325c77 100644 --- a/mm/damon-test.h +++ b/mm/damon-test.h @@ -23,51 +23,51 @@ static void damon_test_str_to_pids(struct kunit *test) question = "123"; answers = str_to_pids(question, strnlen(question, 128), &nr_integers); - KUNIT_EXPECT_EQ(test, 1l, nr_integers); + KUNIT_EXPECT_EQ(test, (ssize_t)1, nr_integers); KUNIT_EXPECT_EQ(test, 123ul, answers[0]); kfree(answers); question = "123abc"; answers = str_to_pids(question, strnlen(question, 128), &nr_integers); - KUNIT_EXPECT_EQ(test, 1l, nr_integers); + KUNIT_EXPECT_EQ(test, (ssize_t)1, nr_integers); KUNIT_EXPECT_EQ(test, 123ul, answers[0]); kfree(answers); question = "a123"; answers = str_to_pids(question, strnlen(question, 128), &nr_integers); - KUNIT_EXPECT_EQ(test, 0l, nr_integers); + KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers); KUNIT_EXPECT_PTR_EQ(test, answers, (unsigned long *)NULL); question = "12 35"; answers = str_to_pids(question, strnlen(question, 128), &nr_integers); - KUNIT_EXPECT_EQ(test, 2l, nr_integers); + KUNIT_EXPECT_EQ(test, (ssize_t)2, nr_integers); for (i = 0; i < nr_integers; i++) KUNIT_EXPECT_EQ(test, expected[i], answers[i]); kfree(answers); question = "12 35 46"; answers = str_to_pids(question, strnlen(question, 128), &nr_integers); - KUNIT_EXPECT_EQ(test, 3l, nr_integers); + KUNIT_EXPECT_EQ(test, (ssize_t)3, nr_integers); for (i = 0; i < nr_integers; i++) KUNIT_EXPECT_EQ(test, expected[i], answers[i]); kfree(answers); question = "12 35 abc 46"; answers = str_to_pids(question, strnlen(question, 128), &nr_integers); - KUNIT_EXPECT_EQ(test, 2l, nr_integers); + KUNIT_EXPECT_EQ(test, (ssize_t)2, nr_integers); for (i = 0; i < 2; i++) KUNIT_EXPECT_EQ(test, expected[i], answers[i]); kfree(answers); question = ""; answers = str_to_pids(question, strnlen(question, 128), &nr_integers); - KUNIT_EXPECT_EQ(test, 0l, nr_integers); + KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers); KUNIT_EXPECT_PTR_EQ(test, (unsigned long *)NULL, answers); kfree(answers); question = "\n"; answers = str_to_pids(question, strnlen(question, 128), &nr_integers); - KUNIT_EXPECT_EQ(test, 0l, nr_integers); + KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers); KUNIT_EXPECT_PTR_EQ(test, (unsigned long *)NULL, answers); kfree(answers); } diff --git a/mm/damon.c b/mm/damon.c index 108476b07555..c6c5b975f1f5 100644 --- a/mm/damon.c +++ b/mm/damon.c @@ -509,8 +509,8 @@ static bool damon_check_reset_time_interval(struct timespec64 *baseline, struct timespec64 now; ktime_get_coarse_ts64(&now); - if ((timespec64_to_ns(&now) - timespec64_to_ns(baseline)) / 1000 < - interval) + if ((timespec64_to_ns(&now) - timespec64_to_ns(baseline)) < + interval * 1000) return false; *baseline = now; return true; > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation > > [-- Attachment #2: .config.gz --] > [-- Type: application/gzip, Size: 71233 bytes --]