linux-kernel - Re: [PATCH v6 3/3] workqueue: Adjust WQ_MAX

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Message-ID: <ZwV-fOLWGbFcrF4f@slm.duckdns.org>
Date: Tue, 8 Oct 2024 08:48:28 -1000
From: Tejun Heo <tj@...nel.org>
To: Chen Ridong <chenridong@...weicloud.com>
Cc: martin.lau@...ux.dev, ast@...nel.org, daniel@...earbox.net,
	andrii@...nel.org, eddyz87@...il.com, song@...nel.org,
	yonghong.song@...ux.dev, john.fastabend@...il.com,
	kpsingh@...nel.org, sdf@...gle.com, haoluo@...gle.com,
	jolsa@...nel.org, lizefan.x@...edance.com, hannes@...xchg.org,
	roman.gushchin@...ux.dev, mkoutny@...e.com, bpf@...r.kernel.org,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
	chenridong@...wei.com
Subject: Re: [PATCH v6 3/3] workqueue: Adjust WQ_MAX_ACTIVE from 512 to 2048

On Tue, Oct 08, 2024 at 11:24:58AM +0000, Chen Ridong wrote:
> From: Chen Ridong <chenridong@...wei.com>
> 
> WQ_MAX_ACTIVE is currently set to 512, which was established approximately
> 15 yeas ago. However, with the significant increase in machine sizes and
> capabilities, the previous limit of 256 concurrent tasks is no longer
> sufficient. Therefore, we propose to increase WQ_MAX_ACTIVE to 2048.
> and WQ_DFL_ACTIVE is 1024 now.
> 
> Signed-off-by: Chen Ridong <chenridong@...wei.com>

Applied 2-3 to wq/for-6.13.

Thanks.

-- 
tejun