linux-kernel - Re: [PATCH] tools/mm: fix show

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Message-ID: <2754934.mvXUDI8C0e@natalenko.name>
Date: Thu, 14 Nov 2024 21:03:57 +0100
From: Oleksandr Natalenko <oleksandr@...alenko.name>
To: SeongJae Park <sj@...nel.org>, linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
 Wladislav Wiebe <wladislav.kw@...il.com>, motiejus@...stys.lt,
 vishal.moola@...il.com
Subject: Re: [PATCH] tools/mm: fix show_page() build error

Hello.

On čtvrtek 14. listopadu 2024 20:02:04, středoevropský standardní čas SeongJae Park wrote:
> On Thu, 14 Nov 2024 11:01:40 +0100 Oleksandr Natalenko <oleksandr@...alenko.name> 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@...alenko.name>
> > ---
> >  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);
> >  
> 
> Just FYI, a very similar patch has posted a few days ago:
> https://lore.kernel.org/20241112171655.1662670-1-motiejus@jakstys.lt

OK, if the other one is taken, consider adding my Acked-by: then.

Thank you.

-- 
Oleksandr Natalenko, MSE
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