Re: [PATCH v1] selftests: mm: Fix conversion specifiers intransact_test()

[guanjing <guanjing@xxxxxxxxxxxxxxxxxxxx>]

I found it when reading the code. So far, I haven't found any tools that 
can be used for scanning yet. :)

Thank you for your review.


On 2024/11/19 15:33, Muhammad Usama Anjum wrote:
> Thanks for the patch.
>
>
> On 11/17/24 12:12 PM, guanjing wrote:
> > Lots of incorrect conversion specifiers. Fix them.
> Not sure why I'd not got warnings. Just curious, how were you able
> to notice these warnings?
>
> > Fixes: 46fd75d4a3c9 ("selftests: mm: add pagemap ioctl tests")
> > Signed-off-by: guanjing <guanjing@xxxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
>
> > ---
> >   tools/testing/selftests/mm/pagemap_ioctl.c | 10 +++++-----
> >   1 file changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/tools/testing/selftests/mm/pagemap_ioctl.c b/tools/testing/selftests/mm/pagemap_ioctl.c
> > index bcc73b4e805c..fdafce0654e9 100644
> > --- a/tools/testing/selftests/mm/pagemap_ioctl.c
> > +++ b/tools/testing/selftests/mm/pagemap_ioctl.c
> > @@ -1405,9 +1405,9 @@ static void transact_test(int page_size)
> >   	memset(mem, 0, 0x1000 * nthreads * pages_per_thread);
> >   
> >   	count = get_dirty_pages_reset(mem, nthreads * pages_per_thread, 1, page_size);
> > -	ksft_test_result(count > 0, "%s count %d\n", __func__, count);
> > +	ksft_test_result(count > 0, "%s count %u\n", __func__, count);
> >   	count = get_dirty_pages_reset(mem, nthreads * pages_per_thread, 1, page_size);
> > -	ksft_test_result(count == 0, "%s count %d\n", __func__, count);
> > +	ksft_test_result(count == 0, "%s count %u\n", __func__, count);
> >   
> >   	finish = 0;
> >   	for (i = 0; i < nthreads; ++i)
> > @@ -1429,7 +1429,7 @@ static void transact_test(int page_size)
> >   			ksft_exit_fail_msg("pthread_barrier_wait\n");
> >   
> >   		if (count > nthreads * access_per_thread)
> > -			ksft_exit_fail_msg("Too big count %d expected %d, iter %d\n",
> > +			ksft_exit_fail_msg("Too big count %u expected %u, iter %u\n",
> >   					   count, nthreads * access_per_thread, i);
> >   
> >   		c = get_dirty_pages_reset(mem, nthreads * pages_per_thread, 1, page_size);
> > @@ -1454,7 +1454,7 @@ static void transact_test(int page_size)
> >   			 * access and application gets page fault again for the same write.
> >   			 */
> >   			if (count < nthreads * access_per_thread) {
> > -				ksft_test_result_fail("Lost update, iter %d, %d vs %d.\n", i, count,
> > +				ksft_test_result_fail("Lost update, iter %u, %u vs %u.\n", i, count,
> >   						      nthreads * access_per_thread);
> >   				return;
> >   			}
> > @@ -1467,7 +1467,7 @@ static void transact_test(int page_size)
> >   	finish = 1;
> >   	pthread_barrier_wait(&end_barrier);
> >   
> > -	ksft_test_result_pass("%s Extra pages %u (%.1lf%%), extra thread faults %d.\n", __func__,
> > +	ksft_test_result_pass("%s Extra pages %u (%.1lf%%), extra thread faults %u.\n", __func__,
> >   			      extra_pages,
> >   			      100.0 * extra_pages / (iter_count * nthreads * access_per_thread),
> >   			      extra_thread_faults);