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

John Hubbard
2020-05-26T06:40:06Z

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