Re: [PATCH v4 10/20] mm/rmap: track whether the page VMA mapped pgoff is anonymous

[David Hildenbrand (Arm)]

On 8/6/26 22:21, Lorenzo Stoakes (ARM) wrote:
> Update the page_vma_mapped_walk structure to track whether the pgoff being
> tracked is an anonymous pgoff or not and update the comments to reflect
> this.
> 
> This is necessary in order to determine the correct VMA page
> offset in vma_address_end() when pvmw->nr_pages > 1.
> 
> Also document that pvmw->pgoff is meaningless for pvmw->nr_pages == 1 and
> for KSM.
> 
> Do not set this field where pgoff is not specified.
> 
> This is laying the groundwork for eventually using anonymous page offsets
> as the index for all anonymous folios.
> 
> No functional change intended.
> 
> Signed-off-by: Lorenzo Stoakes (ARM) <ljs@xxxxxxxxxx>

Acked-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>

-- 
Cheers,

David