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SubjectRe: [PATCH v2] mm: allow deferred page init for vmemmap only
> This will always be a maze as the early boot tends to be. Sad but true.
> That is why I am not really convinced we should use a large hammer and
> disallow deferred page initialization just because UP implementation of
> pcp does something too early. We should instead rule that one odd case.
> Your patch simply doesn't rule a large class of potential issues. It
> just rules out a potentially useful feature for an odd case. See my
> point?

Hi Michal,

OK, I will send an updated patch with disabling deferred pages only whe
NEED_PER_CPU_KM. Hopefully, we won't see similar issues in other places.

Thank you,

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