linux-kernel - Re: [PATCH V3 6/7] workqueue: Limit number of processed works in rescuer per turn

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Message-ID: <aSHIMNJuyqBvqRb9@slm.duckdns.org>
Date: Sat, 22 Nov 2025 04:26:56 -1000
From: Tejun Heo <tj@...nel.org>
To: Lai Jiangshan <jiangshanlai@...il.com>
Cc: linux-kernel@...r.kernel.org, ying chen <yc1082463@...il.com>,
	Lai Jiangshan <jiangshan.ljs@...group.com>
Subject: Re: [PATCH V3 6/7] workqueue: Limit number of processed works in
 rescuer per turn

Hello,

On Sat, Nov 22, 2025 at 02:22:12PM +0800, Lai Jiangshan wrote:
> The cursor is per PWQ. When the rescuer come back to this pool next time,
> it can only handle the PWQ belonging to its wq, which is A, and it will search
> from A3 and process A3 instead of searching from B1 if the cursor is reset.

Oh yeah, you're right. I was thinking that the cursor was shared across pwqs
for some reason.

Thanks.

-- 
tejun