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SubjectRe: [patch 0/3] 2.6.20 fix for PageUptodate memorder problem (try 2)

> Fix threaded user page write memory ordering
> Make sure we order the writes to a newly created page
> with the page table update that potentially exposes the
> page to another CPU.
> This is a no-op on any architecture where getting the
> page table spinlock will already do the ordering (notably
> x86), but other architectures can care.

Ah yes, the clear_* ones I knew about as I'm the one who tracked down
that bug on power :-) I though the ones Nick pointed out were different


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