[PATCH v3 2/2] mm: Allocate THP on hugezeropage wp-fault

[David Hildenbrand]

>>
>>>    }
>>>      static vm_fault_t __do_huge_pmd_anonymous_page(struct vm_fault *vmf)
>>> @@ -1576,6 +1580,41 @@ void huge_pmd_set_accessed(struct vm_fault *vmf)
>>>        spin_unlock(vmf->ptl);
>>>    }
>>>    +static vm_fault_t do_huge_zero_wp_pmd(struct vm_fault *vmf,
>>> unsigned long haddr)
>>
>> Is there a need to pass in "haddr" if we have the vmf?
> 
> Was passing it because it was getting used many times. But nowhere do vmf
> and haddr get both passed in the codebase, so I'll drop it for
> cleanliness and
> consistency.

Yes, the masking is very cheap.

-- 
Cheers,

David / dhildenb