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Date:	Sun, 30 Sep 2007 11:20:19 -0500
From:	Anton Blanchard <anton@...ba.org>
To:	themann@...ibm.com, netdev@...r.kernel.org
Subject: ehea work queues


Hi,

I booted 2.6.23-rc8 and noticed that ehea loves its workqueues:

# ps aux|grep ehea
root      3266  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_driver_wq/]
root      3268  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_driver_wq/]
root      3269  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_driver_wq/]
root      3270  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_driver_wq/]
root      3271  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_driver_wq/]
root      3272  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_driver_wq/]
root      3273  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_driver_wq/]
root      3274  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_driver_wq/]
root      3275  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_wq/0]
root      3276  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_wq/1]
root      3278  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_wq/2]
root      3279  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_wq/3]
root      3280  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_wq/4]
root      3281  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_wq/5]
root      3282  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_wq/6]
root      3283  0.0  0.0    0    0 ?    S<   11:02   0:00 [ehea_wq/7]

(notice also that the ehea_driver_wq/XXX exceeds TASK_COMM_LEN). 

Since they are both infrequent events and not performance critical
(memory hotplug and driver reset), can we just use schedule_work?

Anton
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