From nobody Tue Feb 10 03:37:40 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 1D912224B14; Wed, 22 Oct 2025 03:20:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761103256; cv=none; b=A7uiTeOKGG7TxsOa7LgpqzwhaGGt4VLG5Kj9QBOERH9dYELjsayeuKw8G23AJ31AF20tX0waG8O1TkIH4IEp7XdaxdjqalUS2ZeLOa/uivBJAig5DDSPnZwSOmJtfN3O4gzdGD+DMy+HOpcYpu9uTiSpfoHY3jCxeeV4Dz5eXbQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761103256; c=relaxed/simple; bh=YdLKtH3nSvJ2FRH927bjvlIRqiQz4MVoODxObDVo4w0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=WaNsljvWaFXoShV+9inRyXhFomLV4XdGQ8lMyRGF1R1iKNfBdviIHDPXsxps+Wgwlzd8iCoj1eTYix2JUUd/gLQzul0ydyl9+gTERphjaS/y/882+Bl4g0HCPi3wtjI0dB9D+t8BgFjYA0T6GJYsyoE40hFYEZxoWLvLs8QXcfk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 1a7ffa9caef611f0a38c85956e01ac42-20251022 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.6,REQID:fe96fcbe-59de-4abb-b873-3b0bc69d2b4f,IP:0,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION:r elease,TS:0 X-CID-META: VersionHash:a9d874c,CLOUDID:bb3d869b3d190755b33d93cdf8180cdf,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|850,TC:nil,Content:0|50,EDM:-3 ,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV :0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 1a7ffa9caef611f0a38c85956e01ac42-20251022 X-User: tanze@kylinos.cn Received: from localhost.localdomain [(10.44.16.150)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 281365987; Wed, 22 Oct 2025 11:20:47 +0800 From: tanze To: mchehab@kernel.org, mingo@kernel.org, hverkuil@kernel.org, tskd08@gmail.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, tanze Subject: [PATCH v2 2/3] media: vivid: Optimize the code using vmalloc_array Date: Wed, 22 Oct 2025 11:20:37 +0800 Message-Id: <20251022032038.422230-3-tanze@kylinos.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20251022032038.422230-1-tanze@kylinos.cn> References: <20251022032038.422230-1-tanze@kylinos.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Change array_size() to vmalloc_array(), Due to vmalloc_array() is optimized= better, uses fewer instructions, and handles overflow more concisely Signed-off-by: tanze --- drivers/media/test-drivers/vivid/vivid-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/test-drivers/vivid/vivid-core.c b/drivers/media/= test-drivers/vivid/vivid-core.c index 86506be36acb..ef71d76e7397 100644 --- a/drivers/media/test-drivers/vivid/vivid-core.c +++ b/drivers/media/test-drivers/vivid/vivid-core.c @@ -1864,7 +1864,7 @@ static int vivid_create_instance(struct platform_devi= ce *pdev, int inst) goto free_dev; =20 /* load the edid */ - dev->edid =3D vmalloc(array_size(256, 128)); + dev->edid =3D vmalloc_array(256, 128); if (!dev->edid) goto free_dev; =20 --=20 2.25.1