+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,1,0))
+static vm_fault_t lib_ring_buffer_fault(struct vm_fault *vmf)
+{
+ struct vm_area_struct *vma = vmf->vma;
+ return lib_ring_buffer_fault_compat(vma, vmf);
+}
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
+static int lib_ring_buffer_fault(struct vm_fault *vmf)
+{
+ struct vm_area_struct *vma = vmf->vma;
+ return lib_ring_buffer_fault_compat(vma, vmf);
+}
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
+static int lib_ring_buffer_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+{
+ return lib_ring_buffer_fault_compat(vma, vmf);
+}
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
+