>I agree. The patch is a nop. I just got overly paranoid. The whole
>thing is just very prone to bugs.
So do we need a patch for .23 or not?
>; it does
> seem perfectly acceptable though for the mm code to use kmap or vmap
> (not kmap_atomic) internally somewhere in the pagetable code.
i386 does it all the time for highmem pagetables in fact.
-Andi
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