linux-kernel - Re: [PATCH v3 01/11] selftests/mm: fix uffd-stress unused function warning

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Date:   Tue, 6 Jun 2023 12:46:57 +0500
From:   Muhammad Usama Anjum <usama.anjum@...labora.com>
To:     John Hubbard <jhubbard@...dia.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Muhammad Usama Anjum <usama.anjum@...labora.com>,
        David Hildenbrand <david@...hat.com>,
        Peter Xu <peterx@...hat.com>, Shuah Khan <shuah@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>, linux-mm@...ck.org,
        linux-kselftest@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 01/11] selftests/mm: fix uffd-stress unused function
 warning

On 6/6/23 12:16 PM, John Hubbard wrote:
> uffd_minor_feature() was unused. Remove it in order to fix the
> associated clang build warning.
> 
> Reviewed-by: David Hildenbrand <david@...hat.com>
> Reviewed-by: Peter Xu <peterx@...hat.com>
> Signed-off-by: John Hubbard <jhubbard@...dia.com>
Tested-by: Muhammad Usama Anjum <usama.anjum@...labora.com>

> ---
>  tools/testing/selftests/mm/uffd-stress.c | 10 ----------
>  1 file changed, 10 deletions(-)
> 
> diff --git a/tools/testing/selftests/mm/uffd-stress.c b/tools/testing/selftests/mm/uffd-stress.c
> index f1ad9eef1c3a..995ff13e74c7 100644
> --- a/tools/testing/selftests/mm/uffd-stress.c
> +++ b/tools/testing/selftests/mm/uffd-stress.c
> @@ -88,16 +88,6 @@ static void uffd_stats_reset(struct uffd_args *args, unsigned long n_cpus)
>  	}
>  }
>  
> -static inline uint64_t uffd_minor_feature(void)
> -{
> -	if (test_type == TEST_HUGETLB && map_shared)
> -		return UFFD_FEATURE_MINOR_HUGETLBFS;
> -	else if (test_type == TEST_SHMEM)
> -		return UFFD_FEATURE_MINOR_SHMEM;
> -	else
> -		return 0;
> -}
> -
>  static void *locking_thread(void *arg)
>  {
>  	unsigned long cpu = (unsigned long) arg;

-- 
BR,
Muhammad Usama Anjum