Re: [PATCH v1 9/9] mm: rename vm_ops->find_special_page() to vm_ops->find_normal_page()

From: Oscar Salvador
Date: Wed Jul 16 2025 - 04:24:07 EST


On Tue, Jul 15, 2025 at 03:23:50PM +0200, David Hildenbrand wrote:
> ... and hide it behind a kconfig option. There is really no need for
> any !xen code to perform this check.
>
> The naming is a bit off: we want to find the "normal" page when a PTE
> was marked "special". So it's really not "finding a special" page.
>
> Improve the documentation, and add a comment in the code where XEN ends
> up performing the pte_mkspecial() through a hypercall. More details can
> be found in commit 923b2919e2c3 ("xen/gntdev: mark userspace PTEs as
> special on x86 PV guests").
>
> Cc: David Vrabel <david.vrabel@xxxxxxxxxx>
> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>



--
Oscar Salvador
SUSE Labs