Re: [RFC][PATCH] create workqueue threads only when needed

[Benjamin Herrenschmidt]

> > Something such as slow-work or async funcs (not sure about the later, I
> > have to look at the implementation) but the basic idea is to have a pool
> > of threads for "generic" delayed work, when its busy, pick another one,
> > and the pool itself should resize if there's too much pressure.
> 
> And all that without using GFP_KERNEL?

Not too hard. There are options here, one is to keep always one thread
available in the pool that will create new ones, one is to hop via
keventd for the creation, which is still better than spending 200ms
resetting a network NIC, etc...

Ben.


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