linux-kernel - Re: [PATCH v2 0/3] media: Optimize the code using vmalloc

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Message-ID: <6f1cd703-7efe-4bd4-b236-b01bf1589b73@kernel.org>
Date: Mon, 3 Nov 2025 09:41:37 +0100
From: Hans Verkuil <hverkuil+cisco@...nel.org>
To: tanze <tanze@...inos.cn>, mchehab@...nel.org, mingo@...nel.org,
 hverkuil@...nel.org, tskd08@...il.com
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/3] media: Optimize the code using vmalloc_array

On 22/10/2025 05:20, tanze wrote:
> Change array_size() to vmalloc_array(), Due to vmalloc_array() is optimized better,
> uses fewer instructions, and handles overflow more concisely
> 
> v1->v2: Update patch #02 #03 due to typos CI robot detected some issues
> 
> v1:https://lore.kernel.org/all/20251021143122.268730-1-tanze@kylinos.cn/
> 
> tanze (3):
>   media: dvb-core: Optimize the code using vmalloc_array
>   media: vivid: Optimize the code using vmalloc_array
>   media: pt1: Optimize the code using vmalloc_array

FYI: all three patches are duplicates of:

https://lore.kernel.org/linux-media/20250812035310.497233-1-rongqianfeng@vivo.com/

which has already been merged.

So I'm skipping these patches.

Regards,

	Hans

> 
>  drivers/media/dvb-core/dmxdev.c               | 4 ++--
>  drivers/media/dvb-core/dvb_demux.c            | 9 +++++----
>  drivers/media/pci/pt1/pt1.c                   | 2 +-
>  drivers/media/test-drivers/vivid/vivid-core.c | 2 +-
>  4 files changed, 9 insertions(+), 8 deletions(-)
>