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SubjectRe: [PATCH] [RESEND] x86_64: add memory hotremove config option
> You use non-linear mappings for the kernel, so that kernel data is
> not tied to a specific physical address. AFAIK, that is the only way
> to really do it completely (like the fragmentation problem).

Even with that there are lots of issues, like keeping track of
DMAs or handling executing kernel code.

> Of course, I don't think that would be a good idea to do that in the
> forseeable future.




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