From: "Danilo Krummrich" <dakr@kernel.org>
To: "Brendan Shephard" <bshephar@bne-home.net>
Cc: aliceryhl@google.com, joelagnelf@nvidia.com, acourbot@nvidia.com,
airlied@redhat.com, rust-for-linux@vger.kernel.org,
nouveau@lists.freedesktop.org
Subject: Re: [PATCH v4] drm/nova: Align GEM memory allocation to system page size
Date: Mon, 29 Dec 2025 15:46:24 +0100 [thread overview]
Message-ID: <DFAS5YQICTL9.UHDV6CVYZ30W@kernel.org> (raw)
In-Reply-To: <20251215083416.266469-1-bshephar@bne-home.net>
On Mon Dec 15, 2025 at 9:34 AM CET, Brendan Shephard wrote:
> Use page::page_align for GEM object memory allocation to ensure the
> allocation is page aligned. This is important on systems where the
> default page size is not 4k. Such as 16k or 64k aarch64 systems.
>
> This change uses the updated page_align() function which returns
> Option<usize> for overflow safety. (See "rust: Return Option from
> page_align and ensure no usize overflow").
>
> Signed-off-by: Brendan Shephard <bshephar@bne-home.net>
Applied to drm-rust-next, thanks!
[ Import page module only. - Danilo ]
For future submissions, please make sure to run scripts/get_maintainer.pl.
WARNING: multiple messages have this Message-ID (diff)
From: "Danilo Krummrich" <dakr@kernel.org>
To: "Brendan Shephard" <bshephar@bne-home.net>
Cc: <aliceryhl@google.com>, <joelagnelf@nvidia.com>,
<acourbot@nvidia.com>, <airlied@redhat.com>,
<rust-for-linux@vger.kernel.org>, <nouveau@lists.freedesktop.org>
Subject: Re: [PATCH v4] drm/nova: Align GEM memory allocation to system page size
Date: Mon, 29 Dec 2025 15:46:24 +0100 [thread overview]
Message-ID: <DFAS5YQICTL9.UHDV6CVYZ30W@kernel.org> (raw)
In-Reply-To: <20251215083416.266469-1-bshephar@bne-home.net>
On Mon Dec 15, 2025 at 9:34 AM CET, Brendan Shephard wrote:
> Use page::page_align for GEM object memory allocation to ensure the
> allocation is page aligned. This is important on systems where the
> default page size is not 4k. Such as 16k or 64k aarch64 systems.
>
> This change uses the updated page_align() function which returns
> Option<usize> for overflow safety. (See "rust: Return Option from
> page_align and ensure no usize overflow").
>
> Signed-off-by: Brendan Shephard <bshephar@bne-home.net>
Applied to drm-rust-next, thanks!
[ Import page module only. - Danilo ]
For future submissions, please make sure to run scripts/get_maintainer.pl.
next prev parent reply other threads:[~2025-12-29 14:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-15 8:34 [PATCH v4] drm/nova: Align GEM memory allocation to system page size Brendan Shephard
2025-12-18 13:16 ` Alexandre Courbot
2025-12-18 13:16 ` Alexandre Courbot
2025-12-23 6:10 ` Brendan Shephard
2025-12-29 14:46 ` Danilo Krummrich [this message]
2025-12-29 14:46 ` Danilo Krummrich
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