linux-kernel - Re: [PATCH 1/2] maple_tree: Fix testing for 32 bit builds

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Message-ID: <b69c03f8-9de1-44a8-9e21-322b0816be37@oracle.com>
Date: Thu, 28 Aug 2025 11:12:13 -0400
From: Sidhartha Kumar <sidhartha.kumar@...cle.com>
To: "Liam R. Howlett" <Liam.Howlett@...cle.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc: maple-tree@...ts.infradead.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] maple_tree: Fix testing for 32 bit builds

On 8/27/25 8:30 PM, Liam R. Howlett wrote:
> From: "Liam R. Howlett" <Liam.Howlett@...cle.com>
> 
> Some tests are invalid on 32bit due to the size of the index and last.
> Making those tests depend on the correct build flags stops compile
> complaints.
> 
> Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>

Should a fixes tag also be added?

Fixes: 5d659bbb52a2 ("maple_tree: introduce mas_wr_store_type()")

Reviewed-by: Sidhartha Kumar <sidhartha.kumar@...cle.com>

> ---
>   tools/testing/radix-tree/maple.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/tools/testing/radix-tree/maple.c b/tools/testing/radix-tree/maple.c
> index 172700fb7784d..90a0db45a33c3 100644
> --- a/tools/testing/radix-tree/maple.c
> +++ b/tools/testing/radix-tree/maple.c
> @@ -36428,6 +36428,7 @@ static void check_nomem_writer_race(struct maple_tree *mt)
>     */
>   static inline int check_vma_modification(struct maple_tree *mt)
>   {
> +#if defined(CONFIG_64BIT)
>   	MA_STATE(mas, mt, 0, 0);
>   
>   	mtree_lock(mt);
> @@ -36451,6 +36452,8 @@ static inline int check_vma_modification(struct maple_tree *mt)
>   
>   	mas_destroy(&mas);
>   	mtree_unlock(mt);
> +#endif
> +
>   	return 0;
>   }
>