On Thu, Jan 09, 2025 at 10:38:27PM +0500, Muhammad Usama Anjum wrote: > Remove the following warnings by removing unused argc and argv > parameters: > In function ‘main’: > warning: unused parameter ‘argc’ [-Wunused-parameter] > 158 | int main(int argc, char *argv[]) > | ~~~~^~~~ > warning: unused parameter ‘argv’ [-Wunused-parameter] > 158 | int main(int argc, char *argv[]) > | ~~~~~~^~~~~~ > > Signed-off-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx> > --- > tools/testing/selftests/mm/compaction_test.c | 2 +- > tools/testing/selftests/mm/cow.c | 2 +- > tools/testing/selftests/mm/droppable.c | 2 +- > tools/testing/selftests/mm/gup_longterm.c | 2 +- > tools/testing/selftests/mm/hugepage-vmemmap.c | 2 +- > tools/testing/selftests/mm/hugetlb-madvise.c | 2 +- > tools/testing/selftests/mm/hugetlb-soft-offline.c | 2 +- > tools/testing/selftests/mm/madv_populate.c | 2 +- > tools/testing/selftests/mm/map_populate.c | 2 +- > tools/testing/selftests/mm/memfd_secret.c | 2 +- > tools/testing/selftests/mm/mlock-random-test.c | 2 +- > tools/testing/selftests/mm/mlock2-tests.c | 2 +- > tools/testing/selftests/mm/on-fault-limit.c | 2 +- > tools/testing/selftests/mm/pkey_sighandler_tests.c | 2 +- > tools/testing/selftests/mm/soft-dirty.c | 2 +- > tools/testing/selftests/mm/uffd-wp-mremap.c | 2 +- > tools/testing/selftests/mm/virtual_address_range.c | 2 +- > 17 files changed, 17 insertions(+), 17 deletions(-) > > diff --git a/tools/testing/selftests/mm/compaction_test.c b/tools/testing/selftests/mm/compaction_test.c > index 2c3a0eb6b22d3..8d23b698ce9db 100644 > --- a/tools/testing/selftests/mm/compaction_test.c > +++ b/tools/testing/selftests/mm/compaction_test.c > @@ -194,7 +194,7 @@ int set_zero_hugepages(unsigned long *initial_nr_hugepages) > return ret; > } > > -int main(int argc, char **argv) > +int main(void) > { > struct rlimit lim; > struct map_list *list = NULL, *entry; > diff --git a/tools/testing/selftests/mm/cow.c b/tools/testing/selftests/mm/cow.c > index 1238e1c5aae15..ea00c85c76caa 100644 > --- a/tools/testing/selftests/mm/cow.c > +++ b/tools/testing/selftests/mm/cow.c > @@ -1769,7 +1769,7 @@ static int tests_per_non_anon_test_case(void) > return tests; > } > > -int main(int argc, char **argv) > +int main(void) > { > int err; > struct thp_settings default_settings; > diff --git a/tools/testing/selftests/mm/droppable.c b/tools/testing/selftests/mm/droppable.c > index f3d9ecf96890a..90ea6377810c5 100644 > --- a/tools/testing/selftests/mm/droppable.c > +++ b/tools/testing/selftests/mm/droppable.c > @@ -15,7 +15,7 @@ > > #include "../kselftest.h" > > -int main(int argc, char *argv[]) > +int main(void) > { > size_t alloc_size = 134217728; > size_t page_size = getpagesize(); > diff --git a/tools/testing/selftests/mm/gup_longterm.c b/tools/testing/selftests/mm/gup_longterm.c > index 9423ad439a614..03a31dcb57577 100644 > --- a/tools/testing/selftests/mm/gup_longterm.c > +++ b/tools/testing/selftests/mm/gup_longterm.c > @@ -444,7 +444,7 @@ static int tests_per_test_case(void) > return 3 + nr_hugetlbsizes; > } > > -int main(int argc, char **argv) > +int main(void) > { > int i, err; > > diff --git a/tools/testing/selftests/mm/hugepage-vmemmap.c b/tools/testing/selftests/mm/hugepage-vmemmap.c > index df366a4d1b92d..23e97e552057d 100644 > --- a/tools/testing/selftests/mm/hugepage-vmemmap.c > +++ b/tools/testing/selftests/mm/hugepage-vmemmap.c > @@ -87,7 +87,7 @@ static int check_page_flags(unsigned long pfn) > return 0; > } > > -int main(int argc, char **argv) > +int main(void) > { > void *addr; > unsigned long pfn; > diff --git a/tools/testing/selftests/mm/hugetlb-madvise.c b/tools/testing/selftests/mm/hugetlb-madvise.c > index e74107185324f..43f16c12c8e9a 100644 > --- a/tools/testing/selftests/mm/hugetlb-madvise.c > +++ b/tools/testing/selftests/mm/hugetlb-madvise.c > @@ -58,7 +58,7 @@ void read_fault_pages(void *addr, unsigned long nr_pages) > } > } > > -int main(int argc, char **argv) > +int main(int __attribute__((unused)) argc, char **argv) Can we add a macro in kselftest.h for "__unused" like the kernel already does? Then instead of removing args, we can just mark them, like you're doing here. -- Kees Cook