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Date: Tue, 8 Aug 2023 13:03:29 +0100
From: Aaron Tomlin <atomlin@...mlin.com>
To: tj@...nel.org
Cc: atomlin@...mlin.com, jiangshanlai@...il.com,
linux-kernel@...r.kernel.org, peterz@...radead.org
Subject: [PATCH v2 1/1] workqueue: Rename rescuer kworker
Each CPU-specific and unbound kworker kthread conforms to a particular
naming scheme. However, this does not extend to the rescuer kworker.
At present, a rescuer kworker is simply named according to its
workqueue's name. This can be cryptic.
This patch modifies a rescuer to follow the kworker naming scheme.
The "r" is indicative of a rescuer and after "-" is its workqueue's
name e.g. "kworker/r-ext4-rsv-conver".
Signed-off-by: Aaron Tomlin <atomlin@...mlin.com>
---
kernel/workqueue.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 02a8f402eeb5..d9bb375b8d02 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -4599,7 +4599,7 @@ static int init_rescuer(struct workqueue_struct *wq)
}
rescuer->rescue_wq = wq;
- rescuer->task = kthread_create(rescuer_thread, rescuer, "%s", wq->name);
+ rescuer->task = kthread_create(rescuer_thread, rescuer, "kworker/r-%s", wq->name);
if (IS_ERR(rescuer->task)) {
ret = PTR_ERR(rescuer->task);
pr_err("workqueue: Failed to create a rescuer kthread for wq \"%s\": %pe",
--
2.39.1
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