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From:   Kuo-Hsin Yang <vovoy@chromium.org>
Date:   Tue, 6 Nov 2018 23:19:12 +0800
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Subject: Re: [PATCH v6] mm, drm/i915: mark pinned shmemfs pages as unevictable
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        linux-mm@kvack.org, Chris Wilson <chris@chris-wilson.co.uk>,
        Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
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On Tue, Nov 6, 2018 at 6:54 PM Daniel Vetter <daniel@ffwll.ch> wrote:
> There was ages ago some planes to have our own i915fs, so that we could
> overwrite the address_space hooks for page migration and eviction and tha=
t
> sort of thing, which would make all these pages evictable. Atm you have t=
o
> =C4=A5ope our shrinker drops them on the floor, which I think is fairly
> confusing to core mm code (it's kinda like page eviction worked way back
> before rmaps).
>

Thanks for the explanation. Your blog posts helped a lot to get me
started on hacking drm/i915 driver.

> Just an side really.
> -Daniel
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch