* Linus Torvalds <torva...@linux-foundation.org> wrote:

> But regardless, I think we're better off with a "wait and see" approach.
> IOW, try to use 5-level whenever possible for now, and _if_ somebody actually 
> can show that 4-level page tables perform better or have some other 
> advantage, 
> we can then try to be clever later when it's all tested and it's just an 
> optimization, not a "that code won't even run normally and gets basically 
> zero 
> coverage".

Ok, fair enough - and the testing argument makes sense as well.



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