Large stack usage in fs code (especially for PPC64)

Paul Mackerras paulus at samba.org
Tue Nov 18 22:44:46 EST 2008


Nick Piggin writes:

> It's much harder to do this with powerpc I think because they would need
> to calculate 8 hashes and touch 8 cachelines to prefill 8 translations,
> wouldn't they?

Yeah, the hashed page table sucks.  Film at 11, as they say. :)

Paul.



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