On Wed, 2015-09-30 at 17:37 +0530, Anshuman Khandual wrote:
> > +             if (unlikely(old_pte & _PAGE_BUSY))
> > +                     return 0;
> > +             /* If PTE permissions don't match, take page fault */
> 
> We are already in page fault interrupt path,  will it be better
> if we call it "take Linux page fault" instead as we will go back
> walking the page table.

A better wording would be "escalate the page fault"

Cheers,
Ben.

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