On 03/04/2018 01:18, David Rientjes wrote:
> On Tue, 13 Mar 2018, Laurent Dufour wrote:
> 
>> diff --git a/include/linux/mm.h b/include/linux/mm.h
>> index a84ddc218bbd..73b8b99f482b 100644
>> --- a/include/linux/mm.h
>> +++ b/include/linux/mm.h
>> @@ -1263,8 +1263,11 @@ struct zap_details {
>>      pgoff_t last_index;                     /* Highest page->index to unmap 
>> */
>>  };
>>  
>> -struct page *_vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
>> -                         pte_t pte, bool with_public_device);
>> +struct page *__vm_normal_page(struct vm_area_struct *vma, unsigned long 
>> addr,
>> +                          pte_t pte, bool with_public_device,
>> +                          unsigned long vma_flags);
>> +#define _vm_normal_page(vma, addr, pte, with_public_device) \
>> +    __vm_normal_page(vma, addr, pte, with_public_device, (vma)->vm_flags)
>>  #define vm_normal_page(vma, addr, pte) _vm_normal_page(vma, addr, pte, 
>> false)
>>  
>>  struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long 
>> addr,
> 
> If _vm_normal_page() is a static inline function does it break somehow?  
> It's nice to avoid the #define's.

No problem, I'll create it as a static inline function.

> 
>> diff --git a/mm/memory.c b/mm/memory.c
>> index af0338fbc34d..184a0d663a76 100644
>> --- a/mm/memory.c
>> +++ b/mm/memory.c
>> @@ -826,8 +826,9 @@ static void print_bad_pte(struct vm_area_struct *vma, 
>> unsigned long addr,
>>  #else
>>  # define HAVE_PTE_SPECIAL 0
>>  #endif
>> -struct page *_vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
>> -                         pte_t pte, bool with_public_device)
>> +struct page *__vm_normal_page(struct vm_area_struct *vma, unsigned long 
>> addr,
>> +                          pte_t pte, bool with_public_device,
>> +                          unsigned long vma_flags)
>>  {
>>      unsigned long pfn = pte_pfn(pte);
>>  
> 
> Would it be possible to update the comment since the function itself is no 
> longer named vm_normal_page?

Sure.

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