Signed-off-by: Nikita Kalyazin <kalyazin@xxxxxxxxxx> --- include/linux/userfaultfd_k.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h index 75342022d144..440d38903359 100644 --- a/include/linux/userfaultfd_k.h +++ b/include/linux/userfaultfd_k.h @@ -20,6 +20,10 @@ #include <asm-generic/pgtable_uffd.h> #include <linux/hugetlb_inline.h> +#ifdef CONFIG_KVM_PRIVATE_MEM +bool kvm_gmem_vma_is_gmem(struct vm_area_struct *vma); +#endif + /* The set of all possible UFFD-related VM flags. */ #define __VM_UFFD_FLAGS (VM_UFFD_MISSING | VM_UFFD_WP | VM_UFFD_MINOR) @@ -242,6 +246,11 @@ static inline bool vma_can_userfault(struct vm_area_struct *vma, return false; #endif +#ifdef CONFIG_KVM_PRIVATE_MEM + if (kvm_gmem_vma_is_gmem(vma)) + return true; +#endif + /* By default, allow any of anon|shmem|hugetlb */ return vma_is_anonymous(vma) || is_vm_hugetlb_page(vma) || vma_is_shmem(vma); -- 2.47.1
