powerpc/pseries/cmm: Drop page array
We can simply store the pages in a list (page->lru), no need for a separate data structure (+ complicated handling). This is how most other balloon drivers store allocated pages without additional tracking data. For the notifiers, use page_to_pfn() to check if a page is in the applicable range. Use page_to_phys() in plpar_page_set_loaned() and plpar_page_set_active() (I assume due to the __pa() that's the right thing to do). Signed-off-by:David Hildenbrand <david@redhat.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20191031142933.10779-5-david@redhat.com
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