On 17/03/14 23:01, Andrew Morton wrote:
> 
> OK, thanks.  David, there's our atomic unmap and there are probably
> others.  Converting a previously-atomic utility function into one which
> can sleep is going to be difficult.

I think we should drop these patches.  I think Fujitsu were doing
something particularly odd with an out-of-tree driver.

> Or can this code which vmaps 50GB be changed to unmap it in 16MB chunks
> via unmap_kernel_range(), with a cond_resched() in the loop?

This sounds like something the people from Fujitsu can explore.

David
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