Re: [Hdaps-devel] Re: HDAPS, Need to park the head for real

[Stefan Rompf <stefan@xxxxxxxxx>]

Dave Hansen wrote:

> In reality, that probably means a statically compiled daemon that
> mlock()s itself, and any structures that it will need.  It _might_ even
> need to keep an open file descriptor on the "frozen" file.  Because, in
> theory, that file could be written out to the sysfs backing store.

with such a hassle to make the parking API available, assure that the head 
parking daemon is not swapped out, can access the filedescriptor, has a 
priority high enough to start immediatly when needed, wouldn't that qualify 
for running in kernel space?

Stefan
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