Re: [RFC 07/16] KVM: mm: Introduce VM_KVM_PROTECTED

[John Hubbard]

On 2020-05-22 05:52, Kirill A. Shutemov wrote:
...
> @@ -2773,6 +2780,7 @@ struct page *follow_page(struct vm_area_struct *vma, unsigned long address,
>   #define FOLL_LONGTERM	0x10000	/* mapping lifetime is indefinite: see below */
>   #define FOLL_SPLIT_PMD	0x20000	/* split huge pmd before returning */
>   #define FOLL_PIN	0x40000	/* pages must be released via unpin_user_page */
> +#define FOLL_KVM	0x80000 /* access to VM_KVM_PROTECTED VMAs */
>   

I grabbed 0x80000 already, for FOLL_FAST_ONLY. :)

thanks,
--
John Hubbard
NVIDIA