From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 961372E03EF; Mon, 3 Nov 2025 08:41:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762159301; cv=none; b=EFN6jlPc4Oo0EuFzGsgC6sRrUSFCd8w8YQShb6mt8hCVv+NTV6TVBirUrw/m2e+wypIQNwBimwBkj3gLQSvvVf0NB+fbazdm9fBX4isTkfnuerumfkVr/CqzKMd/dlCqWqWB9ujWsVqpPHeTChkj7cUcRUzkGP9owPyfFfMQpUw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762159301; c=relaxed/simple; bh=8aTzAU2/Gv1nRFnHGr2k29zzB9wCWCQrVWNMTykV0qM=; h=Message-ID:Date:MIME-Version:From:Subject:To:Cc:References: In-Reply-To:Content-Type; b=hN09ytLpiUYFnAhv9+WEX+Mir33pxK6hQIERK6mJWdVTojl83VYttPkVUjLdFdFt0y+p3dfhOy6cYahCql9CDorttG8owjHAqgZcuUwKrJEeQvyU9J4LXPtzXEW/KAeyWYmNH67q1YJs3tWUHcvl/irRoaLXl98mrXfqWsqwIHM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QEo4/259; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QEo4/259" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 95755C4CEE7; Mon, 3 Nov 2025 08:41:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762159301; bh=8aTzAU2/Gv1nRFnHGr2k29zzB9wCWCQrVWNMTykV0qM=; h=Date:From:Subject:To:Cc:References:In-Reply-To:From; b=QEo4/259tVNl4JUjWFMEE6xAFGOcLTXOiP/hxV4OBOamMFLReci2Ygd3m2KPU5OSC L1mVPlcJBYG+wP+spfy3s7pEb7JQxYk7ALHjsDWHKAp4dZ8pSjyXyLzqetJaC+hapi 8Ai9rDAMSA9EwYhszhf+FdVVhhcztvItyoggswC+GXKxQ6OpThHHRnjcwHZu5KKCY7 rnza2Gd+TDXp6bfqZXsoUNrHY0c5v38lKnqAoaZRTWuzLILDmrrOgoZsE6ldL5Sw7Z IOFEYhUkJ1GFleftTk1WtSZp6hYDAiVGNKQuHhLZ3RlBp4ng8DA3EFkaHy4eQUVCFW kzVF4omxMlr4g== Message-ID: <6f1cd703-7efe-4bd4-b236-b01bf1589b73@kernel.org> Date: Mon, 3 Nov 2025 09:41:37 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Hans Verkuil Subject: Re: [PATCH v2 0/3] media: Optimize the code using vmalloc_array To: tanze , mchehab@kernel.org, mingo@kernel.org, hverkuil@kernel.org, tskd08@gmail.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org References: <20251022032038.422230-1-tanze@kylinos.cn> Content-Language: en-US, nl In-Reply-To: <20251022032038.422230-1-tanze@kylinos.cn> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit 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(-) >