linux-kernel - Re: [PATCH] mmap: remove the IA64-specific vma expansion implementation

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Message-ID: <6df6cfaf-e704-49cd-9002-eb27b4e8369b@redhat.com>
Date:   Mon, 13 Nov 2023 16:00:14 +0100
From:   David Hildenbrand <david@...hat.com>
To:     Lukas Bulwahn <lukas.bulwahn@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ard Biesheuvel <ardb@...nel.org>, linux-mm@...ck.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mmap: remove the IA64-specific vma expansion
 implementation

On 13.11.23 13:47, Lukas Bulwahn wrote:
> With commit cf8e8658100d ("arch: Remove Itanium (IA-64) architecture"),
> there is no need to keep the IA64-specific vma expansion.
> 
> Clean up the IA64-specific vma expansion implementation.
> 
> Signed-off-by: Lukas Bulwahn <lukas.bulwahn@...il.com>
> ---
>   mm/mmap.c | 37 +------------------------------------
>   1 file changed, 1 insertion(+), 36 deletions(-)
> 
> diff --git a/mm/mmap.c b/mm/mmap.c
> index 1971bfffcc03..72a3bdea4fa4 100644
> --- a/mm/mmap.c
> +++ b/mm/mmap.c
> @@ -2207,42 +2207,7 @@ struct vm_area_struct *find_extend_vma_locked(struct mm_struct *mm, unsigned lon
>   }
>   #endif
>   
> -/*
> - * IA64 has some horrid mapping rules: it can expand both up and down,
> - * but with various special rules.
> - *
> - * We'll get rid of this architecture eventually, so the ugliness is
> - * temporary.

Hurray

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers,

David / dhildenb