linux-kernel - Re: [PATCH v7 1/9] fs: Constify vma argument to vma_is

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Date:   Wed, 25 Mar 2020 19:49:46 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     Thomas Hellström (VMware) 
        <thomas_os@...pmail.org>
Cc:     linux-mm@...ck.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, pv-drivers@...are.com,
        linux-graphics-maintainer@...are.com,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Ralph Campbell <rcampbell@...dia.com>,
        Jérôme Glisse <jglisse@...hat.com>,
        Christian König <christian.koenig@....com>,
        Dan Williams <dan.j.williams@...el.com>,
        Roland Scheidegger <sroland@...are.com>
Subject: Re: [PATCH v7 1/9] fs: Constify vma argument to vma_is_dax

On Tue, Mar 24, 2020 at 09:11:15PM +0100, Thomas Hellström (VMware) wrote:
> From: "Thomas Hellstrom (VMware)" <thomas_os@...pmail.org>
> 
> The function is used by upcoming vma_is_special_huge() with which we want
> to use a const vma argument. Since for vma_is_dax() the vma argument is
> only dereferenced for reading, constify it.
> 
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Michal Hocko <mhocko@...e.com>
> Cc: "Matthew Wilcox (Oracle)" <willy@...radead.org>
> Cc: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
> Cc: Ralph Campbell <rcampbell@...dia.com>
> Cc: "Jérôme Glisse" <jglisse@...hat.com>
> Cc: "Christian König" <christian.koenig@....com>
> Cc: Dan Williams <dan.j.williams@...el.com>
> Signed-off-by: Thomas Hellstrom (VMware) <thomas_os@...pmail.org>
> Reviewed-by: Roland Scheidegger <sroland@...are.com>
> Acked-by: Christian König <christian.koenig@....com>

Acked-by: Matthew Wilcox (Oracle) <willy@...radead.org>