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Diffstat (limited to 'include/linux/userfaultfd_k.h')
-rw-r--r--include/linux/userfaultfd_k.h13
1 files changed, 6 insertions, 7 deletions
diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h
index e1b8a915e9e9..9df0b9a762cc 100644
--- a/include/linux/userfaultfd_k.h
+++ b/include/linux/userfaultfd_k.h
@@ -146,9 +146,9 @@ static inline bool userfaultfd_armed(struct vm_area_struct *vma)
static inline bool vma_can_userfault(struct vm_area_struct *vma,
unsigned long vm_flags)
{
- if (vm_flags & VM_UFFD_MINOR)
- return is_vm_hugetlb_page(vma) || vma_is_shmem(vma);
-
+ if ((vm_flags & VM_UFFD_MINOR) &&
+ (!is_vm_hugetlb_page(vma) && !vma_is_shmem(vma)))
+ return false;
#ifndef CONFIG_PTE_MARKER_UFFD_WP
/*
* If user requested uffd-wp but not enabled pte markers for
@@ -175,9 +175,8 @@ extern bool userfaultfd_remove(struct vm_area_struct *vma,
unsigned long start,
unsigned long end);
-extern int userfaultfd_unmap_prep(struct vm_area_struct *vma,
- unsigned long start, unsigned long end,
- struct list_head *uf);
+extern int userfaultfd_unmap_prep(struct mm_struct *mm, unsigned long start,
+ unsigned long end, struct list_head *uf);
extern void userfaultfd_unmap_complete(struct mm_struct *mm,
struct list_head *uf);
@@ -258,7 +257,7 @@ static inline bool userfaultfd_remove(struct vm_area_struct *vma,
return true;
}
-static inline int userfaultfd_unmap_prep(struct vm_area_struct *vma,
+static inline int userfaultfd_unmap_prep(struct mm_struct *mm,
unsigned long start, unsigned long end,
struct list_head *uf)
{