The quilt patch titled Subject: tools/mm: -Werror fixes in page-types/slabinfo has been removed from the -mm tree. Its filename was tools-mm-werror-fixes-in-page-types-slabinfo.patch This patch was dropped because it was merged into the mm-hotfixes-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Wladislav Wiebe <wladislav.kw@xxxxxxxxx> Subject: tools/mm: -Werror fixes in page-types/slabinfo Date: Tue, 22 Oct 2024 19:21:13 +0200 Commit e6d2c436ff693 ("tools/mm: allow users to provide additional cflags/ldflags") passes now CFLAGS to Makefile. With this, build systems with default -Werror enabled found: slabinfo.c:1300:25: error: ignoring return value of 'chdir' declared with attribute 'warn_unused_result' [-Werror=unused-result] Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â chdir(".."); Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â ^~~~~~~~~~~ page-types.c:397:35: error: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'uint64_t' {aka 'long long unsigned int'} [-Werror=format=] Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â printf("%lu\t", mapcnt0); Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â ~~^Â Â Â Â ~~~~~~~ .. Fix page-types by using PRIu64 for uint64_t prints and check in slabinfo for return code on chdir(".."). Link: https://lkml.kernel.org/r/c1ceb507-94bc-461c-934d-c19b77edd825@xxxxxxxxx Fixes: e6d2c436ff69 ("tools/mm: allow users to provide additional cflags/ldflags") Signed-off-by: Wladislav Wiebe <wladislav.kw@xxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Herton R. Krzesinski <herton@xxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- tools/mm/page-types.c | 9 +++++---- tools/mm/slabinfo.c | 4 +++- 2 files changed, 8 insertions(+), 5 deletions(-) --- a/tools/mm/page-types.c~tools-mm-werror-fixes-in-page-types-slabinfo +++ a/tools/mm/page-types.c @@ -22,6 +22,7 @@ #include <time.h> #include <setjmp.h> #include <signal.h> +#include <inttypes.h> #include <sys/types.h> #include <sys/errno.h> #include <sys/fcntl.h> @@ -391,9 +392,9 @@ static void show_page_range(unsigned lon if (opt_file) printf("%lx\t", voff); if (opt_list_cgroup) - printf("@%llu\t", (unsigned long long)cgroup0); + printf("@%" PRIu64 "\t", cgroup0); if (opt_list_mapcnt) - printf("%lu\t", mapcnt0); + printf("%" PRIu64 "\t", mapcnt0); printf("%lx\t%lx\t%s\n", index, count, page_flag_name(flags0)); } @@ -419,9 +420,9 @@ static void show_page(unsigned long voff if (opt_file) printf("%lx\t", voffset); if (opt_list_cgroup) - printf("@%llu\t", (unsigned long long)cgroup); + printf("@%" PRIu64 "\t", cgroup) if (opt_list_mapcnt) - printf("%lu\t", mapcnt); + printf("%" PRIu64 "\t", mapcnt); printf("%lx\t%s\n", offset, page_flag_name(flags)); } --- a/tools/mm/slabinfo.c~tools-mm-werror-fixes-in-page-types-slabinfo +++ a/tools/mm/slabinfo.c @@ -1297,7 +1297,9 @@ static void read_slab_dir(void) slab->cpu_partial_free = get_obj("cpu_partial_free"); slab->alloc_node_mismatch = get_obj("alloc_node_mismatch"); slab->deactivate_bypass = get_obj("deactivate_bypass"); - chdir(".."); + if (chdir("..")) + fatal("Unable to chdir from slab ../%s\n", + slab->name); if (slab->name[0] == ':') alias_targets++; slab++; _ Patches currently in -mm which might be from wladislav.kw@xxxxxxxxx are