workqueue: explain for_each_*cwq_cpu() iterators
authorTejun Heo <tj@kernel.org>
Sun, 1 Aug 2010 09:50:12 +0000 (11:50 +0200)
committerTejun Heo <tj@kernel.org>
Sun, 1 Aug 2010 09:50:12 +0000 (11:50 +0200)
commit098849516dd522a343e659740c8f1394a5b7fa69
tree46e902aabf3734c68173e959735ee75760b9f911
parent40f2b6ffe525e975203c1621d4d4abaa7689b674
workqueue: explain for_each_*cwq_cpu() iterators

for_each_*cwq_cpu() are similar to regular CPU iterators except that
it also considers the pseudo CPU number used for unbound workqueues.
Explain them.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
kernel/workqueue.c