Re: [PATCH] tools/mm: fix show_page() build error

From: SeongJae Park
Date: Thu Nov 14 2024 - 14:02:16 EST


Hi Oleksandr,

On Thu, 14 Nov 2024 11:01:40 +0100 Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx> wrote:

> At one point I needed mm tools for debugging but couldn't compile them due to the
> following error:
>
> gcc -Wall -Wextra -I../lib/ -pthread -o page-types page-types.c ../lib/api/libapi.a -pthread
> page-types.c: In function \u2018show_page\u2019:
> page-types.c:423:49: error: expected \u2018;\u2019 before \u2018if\u2019
> 423 | printf("@%" PRIu64 "\t", cgroup)
> | ^
> | ;
> 424 | if (opt_list_mapcnt)
> | ~~
> page-types.c:416:65: warning: unused parameter \u2018mapcnt\u2019 [-Wunused-parameter]
> 416 | uint64_t flags, uint64_t cgroup, uint64_t mapcnt)
> | ~~~~~~~~~^~~~~~
> make: *** [Makefile:23: page-types] Error 1
>
> Trailing ; was forgotten, so add it.
>
> Fixes: ece5897e5a10 ("tools/mm: -Werror fixes in page-types/slabinfo")
> Signed-off-by: Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx>
> ---
> tools/mm/page-types.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/mm/page-types.c b/tools/mm/page-types.c
> index 6eb17cc1a06c5..bcac7ebfb51fd 100644
> --- a/tools/mm/page-types.c
> +++ b/tools/mm/page-types.c
> @@ -420,7 +420,7 @@ static void show_page(unsigned long voffset, unsigned long offset,
> if (opt_file)
> printf("%lx\t", voffset);
> if (opt_list_cgroup)
> - printf("@%" PRIu64 "\t", cgroup)
> + printf("@%" PRIu64 "\t", cgroup);
> if (opt_list_mapcnt)
> printf("%" PRIu64 "\t", mapcnt);
>
> --
> 2.47.0

Just FYI, a very similar patch has posted a few days ago:
https://lore.kernel.org/20241112171655.1662670-1-motiejus@xxxxxxxxxx


Thanks,
SJ