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SubjectRe: Buddy allocator - help! I thought I understood this
thanks for the responses. FWIW:

> (NB, if this is a code bug rather than local brain
> bug, this explains a lot)

It's was a transient local brain bug. The bit
is shared between two pages of the same order.

> 101 index = page_idx >> (1 + order);
I missed this today ^^^

And hence my previous patch did have a bug,
for arcane reasons; I'll resubmit it if
it works.

Alex Bligh
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