Re: page fault fastpath: Increasing SMP scalability by introducingpte locks?

[Benjamin Herrenschmidt]

> Is this the _PAGE_BUSY bit? The pte update routines on PPC64 seem to spin
> on that bit when it is set waiting for the hash value update to complete.
> Looks very specific to the PPC64 architecture.

Yes, it is, I was thinking it's use could be extended tho

Ben.


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