ring buffer mmap: remove compatibility code

diff --git a/lib/ringbuffer/ring_buffer_mmap.c b/lib/ringbuffer/ring_buffer_mmap.c
index c5abe84778d4a1d8c26adaf08cb19731df0959c4..40fd41ebb9114db84e67133b54f2560184b364aa 100644 (file)
--- a/lib/ringbuffer/ring_buffer_mmap.c
+++ b/lib/ringbuffer/ring_buffer_mmap.c
@@ -20,11 +20,7 @@
 /*
  * fault() vm_op implementation for ring buffer file mapping.
  */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,1,0))
 static vm_fault_t lib_ring_buffer_fault_compat(struct vm_area_struct *vma, struct vm_fault *vmf)
-#else
-static int lib_ring_buffer_fault_compat(struct vm_area_struct *vma, struct vm_fault *vmf)
-#endif
 {
        struct lib_ring_buffer *buf = vma->vm_private_data;
        struct channel *chan = buf->backend.chan;
@@ -57,24 +53,11 @@ static int lib_ring_buffer_fault_compat(struct vm_area_struct *vma, struct vm_fa
        return 0;
 }
 
-#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)) */
 
 /*
  * vm_ops for ring buffer file mappings.