disabling kernel access to memory

Paul Mackerras paulus at samba.org
Mon Aug 16 08:20:06 EST 2004

Mike Kravetz writes:

> When creating artificial 'holes' in the physical address space,
> I would really like to disable all access to this memory in an
> effort to catch anyone making incorrect accesses.  Of course,
> these holes are at least 16MB (min LMB size) in size.  Is there
> an 'easy' way to prevent all access to these holes?

You might be able to hand them back to the hypervisor using the DLPAR


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