[PATCH 0/3] KVM: PPC: Book3S HV: More flexible allocator for linear memory

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This series of 3 patches makes it possible for guests to allocate
whatever size of HPT they need from linear memory preallocated at
boot, rather than being restricted to a single size of HPT (by
default, 16MB) and having to use the kernel page allocator for
anything else -- which in practice limits them to at most 16MB given
the default value for the maximum page order.  Instead of allocating
many individual pieces of memory, this allocates a single contiguous
area and uses a simple bitmap-based allocator to hand out pieces of it
as required.

Paul.
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