ワーカースレッドの命名規則

私はワーカースレッドについて読み始めました。以前のワーカースレッドはワーカープールに置き換えられます。

$ ps -ef | grep 'kworker' 
root          6      2  0 04:41 ?        00:00:00 [kworker/0:0H-kb]
root         20      2  0 04:41 ?        00:00:00 [kworker/1:0H-kb]
root         26      2  0 04:41 ?        00:00:00 [kworker/2:0H]
root         31      2  0 04:41 ?        00:00:00 [kworker/3:0-mm_]
root         32      2  0 04:41 ?        00:00:00 [kworker/3:0H-kb]
root         38      2  0 04:41 ?        00:00:00 [kworker/4:0H-kb]
root         44      2  0 04:41 ?        00:00:00 [kworker/5:0H-kb]
root         71      2  0 04:41 ?        00:00:00 [kworker/5:1-mm_]
root         76      2  0 04:41 ?        00:00:00 [kworker/u257:0-]
root        391      2  0 04:41 ?        00:00:02 [kworker/0:1H-kb]
root        394      2  0 04:41 ?        00:00:01 [kworker/2:1H-kb]
root        395      2  0 04:41 ?        00:00:00 [kworker/5:1H-kb]
root        415      2  0 04:41 ?        00:00:03 [kworker/3:1H-kb]
root        416      2  0 04:41 ?        00:00:00 [kworker/4:1H-kb]
root        418      2  0 04:41 ?        00:00:00 [kworker/1:1H-kb]
root        869      2  0 04:41 ?        00:00:00 [kworker/u257:1-]
root       9632      2  0 05:49 ?        00:00:00 [kworker/2:0-mm_]
root       9684      2  0 06:00 ?        00:00:00 [kworker/0:0-eve]
root       9685      2  0 06:00 ?        00:00:00 [kworker/1:0-eve]
root       9809      2  0 06:07 ?        00:00:00 [kworker/5:2-cgr]
root       9885      2  0 06:17 ?        00:00:00 [kworker/4:0-eve]
root       9915      2  0 06:32 ?        00:00:00 [kworker/3:1-cgr]
root       9937      2  0 06:47 ?        00:00:00 [kworker/2:1-cgr]
root       9970      2  0 07:14 ?        00:00:00 [kworker/u256:2-]
root       9990      2  0 07:31 ?        00:00:00 [kworker/u256:1-]
root      10010      2  0 07:32 ?        00:00:00 [kworker/0:2-eve]
root      10011      2  0 07:32 ?        00:00:00 [kworker/1:1-eve]
root      14977      2  0 07:37 ?        00:00:00 [kworker/4:2-eve]
root      17905      2  0 07:42 ?        00:00:00 [kworker/u256:0-]

誰でもkworker / ...命名規則に関する文書を提供できますか？たとえば、[kworker/u256:2-] から u256:2- とは何ですか？