- use version to select function to use

diff --git a/kernel-4.20.patch b/kernel-4.20.patch
index 957b8cb27350a29474777a84b869225ebfe08929..33279b1cb1318c821f293bd00dc1f214d81fb6ae 100644 (file)
--- a/kernel-4.20.patch
+++ b/kernel-4.20.patch
@@ -30,7 +30,7 @@
  
  #if defined(NV_DRM_ATOMIC_MODESET_AVAILABLE)
  
  
  #if defined(NV_DRM_ATOMIC_MODESET_AVAILABLE)
  

-+#include <linux/mm.h>
++#include <linux/version.h>

 +
  #include "nvidia-drm-gem-nvkms-memory.h"
  #include "nvidia-drm-ioctl.h"
 +
  #include "nvidia-drm-gem-nvkms-memory.h"
  #include "nvidia-drm-ioctl.h"


@@ -39,7 +39,7 @@
  
      page_offset = vmf->pgoff - drm_vma_node_start(&gem->vma_node);
  
  
      page_offset = vmf->pgoff - drm_vma_node_start(&gem->vma_node);
  

-+#if !defined(vm_insert_pfn)
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0)

 +    return vmf_insert_pfn(vma, address, pfn + page_offset);
 +#else
      ret = vm_insert_pfn(vma, address, pfn + page_offset);
 +    return vmf_insert_pfn(vma, address, pfn + page_offset);
 +#else
      ret = vm_insert_pfn(vma, address, pfn + page_offset);