linux-kernel - Re: [PATCH v2 1/2] mm: Add and export vmf_insert_mixed

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Date:   Wed, 4 Dec 2019 14:48:50 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Thomas Hellström (VMware) 
        <thomas_os@...pmail.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, pv-drivers@...are.com,
        linux-graphics-maintainer@...are.com,
        Thomas Hellstrom <thellstrom@...are.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Ralph Campbell <rcampbell@...dia.com>,
        Jérôme Glisse <jglisse@...hat.com>,
        Christian König <christian.koenig@....com>
Subject: Re: [PATCH v2 1/2] mm: Add and export vmf_insert_mixed_prot()

On Tue 03-12-19 11:48:52, Thomas Hellström (VMware) wrote:
> From: Thomas Hellstrom <thellstrom@...are.com>
> 
> The TTM module today uses a hack to be able to set a different page
> protection than struct vm_area_struct::vm_page_prot. To be able to do
> this properly, add and export vmf_insert_mixed_prot().

A new symbol should be added in a patch that adds a new user which is
not the case here.
-- 
Michal Hocko
SUSE Labs