Re: [PATCH V2 19/31] powerpc/mm: Convert 4k hash insert to C

On Wed, 2015-09-30 at 17:37 +0530, Anshuman Khandual wrote:

quoted

+             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.