using different format for hugetlbfs

Benjamin Herrenschmidt benh at
Mon Dec 7 12:04:37 EST 2009

> Even than, does that preclude the format I suggested?  I'm assuming  
> that pgd_t/pud_t/pmd_t are always a double word so the low order 4- 
> bits should be 0 (on 64-bit), so using the lsb as the flag between  
> hugetlb and normal pointer should still work.

Might do, depends if David has enough bits ...  David ?


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