Timur Tabi wrote:
> I mark the page as reserved when I ioremap() it. However, if I leave it marked
> reserved, then iounmap() will not unmap it. If I mark it "unreserved" (i.e.
> reset the reserved bit), then iounmap will unmap it, but it will decrement the
> page counter to -1 and the whole system will crash soon thereafter.
> I've been asking about this problem for months, but no one has bothered to help
> me out.
The order is important:
Alternatively something like this should also be possible:
But I never tried this version, so I can't guarantee anything. :)
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