Define uffd_wp_range() for the cases when CONFIG_USERFAULTFD isn't set.
Signed-off-by: Muhammad Usama Anjum usama.anjum@collabora.com --- include/linux/userfaultfd_k.h | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h index b680c0ec8b85..fd1a1ecdb5f6 100644 --- a/include/linux/userfaultfd_k.h +++ b/include/linux/userfaultfd_k.h @@ -182,6 +182,14 @@ extern int userfaultfd_wp_async(struct vm_area_struct *vma);
#else /* CONFIG_USERFAULTFD */
+extern inline long uffd_wp_range(struct mm_struct *dst_mm, + struct vm_area_struct *vma, + unsigned long start, unsigned long len, + bool enable_wp) +{ + return 0; +} + /* mm helpers */ static inline vm_fault_t handle_userfault(struct vm_fault *vmf, unsigned long reason)