linux-kernel - Re: [PATCH v6] mm, drm/i915: mark pinned shmemfs pages as unevictable

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAEHM+4oLesko3TPGDm2+FTCJT=gYw4fy0YmCQGuT1CTHFZgmkg@mail.gmail.com>
Date:   Tue, 6 Nov 2018 23:19:12 +0800
From:   Kuo-Hsin Yang <vovoy@...omium.org>
To:     linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
        linux-mm@...ck.org, Chris Wilson <chris@...is-wilson.co.uk>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dave Hansen <dave.hansen@...el.com>,
        Michal Hocko <mhocko@...e.com>
Subject: Re: [PATCH v6] mm, drm/i915: mark pinned shmemfs pages as unevictable

On Tue, Nov 6, 2018 at 6:54 PM Daniel Vetter <daniel@...ll.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 that
> sort of thing, which would make all these pages evictable. Atm you have to
> ĥope 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