Re: [PATCH v4 03/16] xen/grant-table: stop setting PG_private on pages for grant mapping

[David Hildenbrand (Arm)]

On 9/14/26 04:24, Zi Yan wrote:
> gnttab_alloc_pages() stores xen_page_foreign in page->private. On 32-bit, a
> pointer to an allocated xen_page_foreign is stored; on 64-bit,
> xen_page_foreign is stored inline. Checking page->private != NULL is enough
> to tell whether a xen_page_foreign needs to be freed on 32-bit and
> page->private is zeroed unconditionally on 64-bit.
> 
> It prepares for a future commit that remove PG_private.
> 
> No functional change intended.
> 
> Assisted-by: LLM
> Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>
> To: Juergen Gross <jgross@xxxxxxxx>
> To: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> Cc: Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> ---

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

-- 
Cheers,

David