Re: [PATCH v1 05/11] mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack()

Lorenzo Stoakes
2025-05-07T14:33:41Z

On Wed, May 07, 2025 at 03:25:42PM +0200, David Hildenbrand wrote:
> > >
> > > Obviously my series will break this but should be _fairly_ trivial to
> > > update.
> > >
> > > You will however have to make sure to update tools/testing/vma/* to handle
> > > the new functions in userland testing (they need to be stubbed otu).
>
> Hmm, seems to compile. I guess, because we won't have
> "__HAVE_PFNMAP_TRACKING" defined in the test environment, so
> the existing stubs in there already seem to do the trick.
>
>
> +#else
> +static inline int vma_pfnmap_track_ctx_dup(struct vm_area_struct *orig,
> + struct vm_area_struct *new)
> +{
> + return 0;
> }
> +static inline void vma_pfnmap_track_ctx_release(struct vm_area_struct *vma)
> +{
> +}
> +#endif
>

OK cool! Then we're good :>)

>
> --
> Cheers,
>
> David / dhildenb
>