Index: VirtualBox-6.0.4/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c
===================================================================
--- VirtualBox-6.0.4.orig/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c
+++ VirtualBox-6.0.4/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c
@@ -38,6 +38,9 @@
 #include <iprt/process.h>
 #include <iprt/string.h>
 #include "internal/memobj.h"
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 1, 0)
+#include <uapi/linux/mman.h>
+#endif
 
 
 /*********************************************************************************************************************************
Index: VirtualBox-6.0.4/src/VBox/HostDrivers/VBoxPci/linux/VBoxPci-linux.c
===================================================================
--- VirtualBox-6.0.4.orig/src/VBox/HostDrivers/VBoxPci/linux/VBoxPci-linux.c
+++ VirtualBox-6.0.4/src/VBox/HostDrivers/VBoxPci/linux/VBoxPci-linux.c
@@ -372,7 +372,7 @@ static int vboxPciFileWrite(struct file*
     mm_segment_t fs_save;
 
     fs_save = get_fs();
-    set_fs(get_ds());
+    set_fs(KERNEL_DS);
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
     ret = kernel_write(file, data, size, &offset);
 #else
Index: VirtualBox-6.0.4/src/VBox/Additions/linux/sharedfolders/regops.c
===================================================================
--- VirtualBox-6.0.4.orig/src/VBox/Additions/linux/sharedfolders/regops.c
+++ VirtualBox-6.0.4/src/VBox/Additions/linux/sharedfolders/regops.c
@@ -588,7 +588,9 @@ static int sf_reg_release(struct inode *
 	return 0;
 }
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 1, 0)
+static vm_fault_t sf_reg_fault(struct vm_fault *vmf)
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)
 static int sf_reg_fault(struct vm_fault *vmf)
 #elif LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 25)
 static int sf_reg_fault(struct vm_area_struct *vma, struct vm_fault *vmf)