linux-kernel - Re: [PATCH 0/3] drm/ttm: constify static vm_operations

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Message-ID: <e819cb08-98b6-c87d-4d95-338e06f88a48@amd.com>
Date:   Wed, 10 Feb 2021 08:45:56 +0100
From:   Christian König <christian.koenig@....com>
To:     Rikard Falkeborn <rikard.falkeborn@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     Alex Deucher <alexander.deucher@....com>,
        Ben Skeggs <bskeggs@...hat.com>,
        Felix Kuehling <Felix.Kuehling@....com>,
        Likun Gao <Likun.Gao@....com>, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        nouveau@...ts.freedesktop.org
Subject: Re: [PATCH 0/3] drm/ttm: constify static vm_operations_structs

Reviewed-by: Christian König <christian.koenig@....com> for the series.

Am 10.02.21 um 00:48 schrieb Rikard Falkeborn:
> Constify a few static vm_operations_struct that are never modified. Their
> only usage is to assign their address to the vm_ops field in the
> vm_area_struct, which is a pointer to const vm_operations_struct. Make them
> const to allow the compiler to put them in read-only memory.
>
> With this series applied, all static struct vm_operations_struct in the
> kernel tree are const.
>
> Rikard Falkeborn (3):
>    drm/amdgpu/ttm: constify static vm_operations_struct
>    drm/radeon/ttm: constify static vm_operations_struct
>    drm/nouveau/ttm: constify static vm_operations_struct
>
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +-
>   drivers/gpu/drm/nouveau/nouveau_ttm.c   | 2 +-
>   drivers/gpu/drm/radeon/radeon_ttm.c     | 2 +-
>   3 files changed, 3 insertions(+), 3 deletions(-)
>