From nobody Sun Oct 5 18:17:31 2025 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7408521516E; Thu, 31 Jul 2025 16:04:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753977864; cv=pass; b=eXs10kmbOwBBSTZbAp15n4wIUUkZujddIrhYoRdDuyEa8yynGuuHq3q2BH1xsn8tEhk/Wp5/pAKCrpewg1kL44Cv7elox/dt0bh4ou66sJPbcKjuIrF2hLm/iVlCA/1UhtB5DQf+Ytpw5wWxSfdHq41wFSyzlHnjrjq6nhw5pV0= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753977864; c=relaxed/simple; bh=NmKXAR9V2R/Bgu+X3UJFhRy6mA5UWrDyKsRFLDZrpEg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=cg8HwVdg5f0tVjjA6GrIiu53ILk+LgWLmpghuOLqHgkqh07ABFWUAWAYgx0IqmJEEHMT+2EemLcaDDqvu3wqKqOmSyZe/BTcEbP+IH5VxobN10tpvS4uAdcMf/RNDHMiOfBUNp7P+Eq7v13KBpPJl84FbIRQz6r+ng/2F9+GwK4= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=usama.anjum@collabora.com header.b=ico7FzEo; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=usama.anjum@collabora.com header.b="ico7FzEo" ARC-Seal: i=1; a=rsa-sha256; t=1753977774; cv=none; d=zohomail.com; s=zohoarc; b=Ld0isy669SiUPlxBjYL00zV68jo3jmBbmKOi9wWCjDCArTT+yBfeiRQ3Rc3fPYDVDAOf/MclMBROVGpHOXmiugTAp6AiQ+3x7cRxjbKvioWxXczqQMAfX5W2dVNRxp/SOpgmKmhuXBj1iwRvRCEWjinPavrFuC2nyniy9o0JGkI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1753977774; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=EMrVRz1c7lWgAJev1ywCCQZY315K/Pj6btdYQU662ps=; b=iAqhu+P9PjbMky9GooYr9CSLU4qeb/h/KH2U3UG3PGvge6cGJXVG79KrGCdcQqpDKk7K2FiuMlZ+Q8pfPe37inlrkPtsy4KOcDpKa+AwKKifGr3WZLtLLoaOUv+A3aPgGog64rw+nx6mEn+GDRElYpa9l76KdyCaimt3P3bOYd4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=usama.anjum@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1753977774; s=zohomail; d=collabora.com; i=usama.anjum@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-Id:Message-Id:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Reply-To; bh=EMrVRz1c7lWgAJev1ywCCQZY315K/Pj6btdYQU662ps=; b=ico7FzEouaeu+Zh7BNO0zMc2PILb9ftQ7nECHu7NbMpX1jmKCFyl0WVfFJF1VsVA wCsuXfExvYMvyeb6l2A451QfYmlzNYRV/TPLZRfcJR6CQFPrQPTI8slyKRr8eaooP2v MhGJmHP26R3GX7Q7OJvIHl6WsiS/qH4u0MmknFYQ= Received: by mx.zohomail.com with SMTPS id 175397777225950.334810900997695; Thu, 31 Jul 2025 09:02:52 -0700 (PDT) From: Muhammad Usama Anjum To: Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jason Gunthorpe , John Hubbard , Peter Xu , Leon Romanovsky , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, Shuah Khan Cc: Muhammad Usama Anjum , kernel@collabora.com Subject: [PATCH v2 4/8] selftests/mm: Add -Wunused family of flags Date: Thu, 31 Jul 2025 21:01:28 +0500 Message-Id: <20250731160132.1795351-5-usama.anjum@collabora.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250731160132.1795351-1-usama.anjum@collabora.com> References: <20250731160132.1795351-1-usama.anjum@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External Content-Type: text/plain; charset="utf-8" Add -Wunused family of flags and fix all the warnings coming because of argc and argv. Remove them if they aren't being used entirely. Use __unused compiler attribute with argc where argv is being used. Signed-off-by: Muhammad Usama Anjum --- tools/testing/selftests/mm/Makefile | 2 +- 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 +- 18 files changed, 18 insertions(+), 18 deletions(-) diff --git a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/= mm/Makefile index 23d4bf6215465..d75f1effcb791 100644 --- a/tools/testing/selftests/mm/Makefile +++ b/tools/testing/selftests/mm/Makefile @@ -20,7 +20,6 @@ endif # thus tricking Make (and you!) into believing that All Is Well, in subseq= uent # make invocations: .DELETE_ON_ERROR: - # Avoid accidental wrong builds, due to built-in rules working just a litt= le # bit too well--but not quite as well as required for our situation here. # @@ -35,6 +34,7 @@ MAKEFLAGS +=3D --no-builtin-rules =20 CFLAGS =3D -Wall -O2 -I $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES) $(T= OOLS_INCLUDES) CFLAGS +=3D -Wunreachable-code +CFLAGS +=3D -Wunused -Wunused-parameter -Wunused-function -Wunused-label = -Wunused-variable -Wunused-value LDLIBS =3D -lrt -lpthread -lm =20 # Some distributions (such as Ubuntu) configure GCC so that _FORTIFY_SOURC= E is diff --git a/tools/testing/selftests/mm/compaction_test.c b/tools/testing/s= elftests/mm/compaction_test.c index 9bc4591c7b169..4fa03679e9b07 100644 --- a/tools/testing/selftests/mm/compaction_test.c +++ b/tools/testing/selftests/mm/compaction_test.c @@ -203,7 +203,7 @@ int set_zero_hugepages(unsigned long *initial_nr_hugepa= ges) return ret; } =20 -int main(int argc, char **argv) +int main(void) { struct rlimit lim; struct map_list *list =3D NULL, *entry; diff --git a/tools/testing/selftests/mm/cow.c b/tools/testing/selftests/mm/= cow.c index d30625c18259b..eb1ccf067b633 100644 --- a/tools/testing/selftests/mm/cow.c +++ b/tools/testing/selftests/mm/cow.c @@ -1857,7 +1857,7 @@ static int tests_per_non_anon_test_case(void) return tests; } =20 -int main(int argc, char **argv) +int main(void) { struct thp_settings default_settings; =20 diff --git a/tools/testing/selftests/mm/droppable.c b/tools/testing/selftes= ts/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 @@ =20 #include "../kselftest.h" =20 -int main(int argc, char *argv[]) +int main(void) { size_t alloc_size =3D 134217728; size_t page_size =3D getpagesize(); diff --git a/tools/testing/selftests/mm/gup_longterm.c b/tools/testing/self= tests/mm/gup_longterm.c index 268dadb8ce438..7fe4f94400cb6 100644 --- a/tools/testing/selftests/mm/gup_longterm.c +++ b/tools/testing/selftests/mm/gup_longterm.c @@ -504,7 +504,7 @@ static int tests_per_test_case(void) return 3 + nr_hugetlbsizes; } =20 -int main(int argc, char **argv) +int main(void) { int i; =20 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; } =20 -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/s= elftests/mm/hugetlb-madvise.c index 1afe14b9dc0c3..27c8e46ae9b7d 100644 --- a/tools/testing/selftests/mm/hugetlb-madvise.c +++ b/tools/testing/selftests/mm/hugetlb-madvise.c @@ -55,7 +55,7 @@ void read_fault_pages(void *addr, unsigned long nr_pages) } } =20 -int main(int argc, char **argv) +int main(int __unused argc, char **argv) { unsigned long free_hugepages; void *addr, *addr2; diff --git a/tools/testing/selftests/mm/hugetlb-soft-offline.c b/tools/test= ing/selftests/mm/hugetlb-soft-offline.c index f086f0e04756f..cb087303f5ed3 100644 --- a/tools/testing/selftests/mm/hugetlb-soft-offline.c +++ b/tools/testing/selftests/mm/hugetlb-soft-offline.c @@ -216,7 +216,7 @@ static void test_soft_offline_common(int enable_soft_of= fline) enable_soft_offline); } =20 -int main(int argc, char **argv) +int main(void) { ksft_print_header(); ksft_set_plan(2); diff --git a/tools/testing/selftests/mm/madv_populate.c b/tools/testing/sel= ftests/mm/madv_populate.c index b6fabd5c27ed6..178e0ae0cd4a1 100644 --- a/tools/testing/selftests/mm/madv_populate.c +++ b/tools/testing/selftests/mm/madv_populate.c @@ -281,7 +281,7 @@ static int system_has_softdirty(void) #endif } =20 -int main(int argc, char **argv) +int main(void) { int nr_tests =3D 16; int err; diff --git a/tools/testing/selftests/mm/map_populate.c b/tools/testing/self= tests/mm/map_populate.c index 9df2636c829bf..2b240499f15c9 100644 --- a/tools/testing/selftests/mm/map_populate.c +++ b/tools/testing/selftests/mm/map_populate.c @@ -76,7 +76,7 @@ static int child_f(int sock, unsigned long *smap, int fd) return ksft_cnt.ksft_pass; } =20 -int main(int argc, char **argv) +int main(void) { int sock[2], child, ret; FILE *ftmp; diff --git a/tools/testing/selftests/mm/memfd_secret.c b/tools/testing/self= tests/mm/memfd_secret.c index 9a0597310a765..836383f63b630 100644 --- a/tools/testing/selftests/mm/memfd_secret.c +++ b/tools/testing/selftests/mm/memfd_secret.c @@ -299,7 +299,7 @@ static void prepare(void) =20 #define NUM_TESTS 6 =20 -int main(int argc, char *argv[]) +int main(void) { int fd; =20 diff --git a/tools/testing/selftests/mm/mlock-random-test.c b/tools/testing= /selftests/mm/mlock-random-test.c index b8d7e966f44c6..4ff7a4cfc7331 100644 --- a/tools/testing/selftests/mm/mlock-random-test.c +++ b/tools/testing/selftests/mm/mlock-random-test.c @@ -236,7 +236,7 @@ static void test_mlock_outof_limit(char *p, int alloc_s= ize) ksft_test_result_pass("%s\n", __func__); } =20 -int main(int argc, char **argv) +int main(void) { char *p =3D NULL; =20 diff --git a/tools/testing/selftests/mm/mlock2-tests.c b/tools/testing/self= tests/mm/mlock2-tests.c index 3e90ff37e336a..ce5fd5ce1f51f 100644 --- a/tools/testing/selftests/mm/mlock2-tests.c +++ b/tools/testing/selftests/mm/mlock2-tests.c @@ -425,7 +425,7 @@ static void test_mlockall(void) munlockall(); } =20 -int main(int argc, char **argv) +int main(void) { int ret, size =3D 3 * getpagesize(); void *map; diff --git a/tools/testing/selftests/mm/on-fault-limit.c b/tools/testing/se= lftests/mm/on-fault-limit.c index 431c1277d83a1..ade160966c926 100644 --- a/tools/testing/selftests/mm/on-fault-limit.c +++ b/tools/testing/selftests/mm/on-fault-limit.c @@ -28,7 +28,7 @@ static void test_limit(void) munlockall(); } =20 -int main(int argc, char **argv) +int main(void) { ksft_print_header(); ksft_set_plan(1); diff --git a/tools/testing/selftests/mm/pkey_sighandler_tests.c b/tools/tes= ting/selftests/mm/pkey_sighandler_tests.c index 302fef54049c8..eb4ef8532c0bf 100644 --- a/tools/testing/selftests/mm/pkey_sighandler_tests.c +++ b/tools/testing/selftests/mm/pkey_sighandler_tests.c @@ -528,7 +528,7 @@ static void (*pkey_tests[])(void) =3D { test_pkru_sigreturn }; =20 -int main(int argc, char *argv[]) +int main(void) { int i; =20 diff --git a/tools/testing/selftests/mm/soft-dirty.c b/tools/testing/selfte= sts/mm/soft-dirty.c index 8a3f2b4b21869..e62be4136f69e 100644 --- a/tools/testing/selftests/mm/soft-dirty.c +++ b/tools/testing/selftests/mm/soft-dirty.c @@ -194,7 +194,7 @@ static void test_mprotect_file(int pagemap_fd, int page= size) test_mprotect(pagemap_fd, pagesize, false); } =20 -int main(int argc, char **argv) +int main(void) { int pagemap_fd; int pagesize; diff --git a/tools/testing/selftests/mm/uffd-wp-mremap.c b/tools/testing/se= lftests/mm/uffd-wp-mremap.c index c2ba7d46c7b45..13ceb56289701 100644 --- a/tools/testing/selftests/mm/uffd-wp-mremap.c +++ b/tools/testing/selftests/mm/uffd-wp-mremap.c @@ -334,7 +334,7 @@ static const struct testcase testcases[] =3D { }, }; =20 -int main(int argc, char **argv) +int main(void) { struct thp_settings settings; int i, j, plan =3D 0; diff --git a/tools/testing/selftests/mm/virtual_address_range.c b/tools/tes= ting/selftests/mm/virtual_address_range.c index 169dbd692bf5f..3c21d136962cb 100644 --- a/tools/testing/selftests/mm/virtual_address_range.c +++ b/tools/testing/selftests/mm/virtual_address_range.c @@ -189,7 +189,7 @@ static int validate_complete_va_space(void) return 0; } =20 -int main(int argc, char *argv[]) +int main(void) { char *ptr[NR_CHUNKS_LOW]; char **hptr; --=20 2.39.5