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powerpc/mm: Free up _PAGE_COHERENCE for numa fault use later
Set memory coherence always on hash64 config. If a platform cannot have memory coherence always set they can infer that from _PAGE_NO_CACHE and _PAGE_WRITETHRU like in lpar. So we dont' really need a separate bit for tracking _PAGE_COHERENCE. Signed-off-by: Aneesh Kumar K.V <[email protected]> Acked-by: Paul Mackerras <[email protected]> Signed-off-by: Benjamin Herrenschmidt <[email protected]>
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