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workqueue: Adjust WQ_MAX_ACTIVE from 512 to 2048

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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@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Chen Ridong
2024-10-08 11:24:58 +00:00
committed by Tejun Heo
parent e3dddcfd3d
commit 581434654e
2 changed files with 3 additions and 3 deletions
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include/linux/workqueue.h
+1 -1
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@@ -412,7 +412,7 @@ enum wq_flags {
};
enum wq_consts {
WQ_MAX_ACTIVE = 512, /* I like 512, better ideas? */
WQ_MAX_ACTIVE = 2048, /* I like 2048, better ideas? */
WQ_UNBOUND_MAX_ACTIVE = WQ_MAX_ACTIVE,
WQ_DFL_ACTIVE = WQ_MAX_ACTIVE / 2,