+------------------------------------------------------------------------
+r77542 | vboxsync | 2019-03-03 05:40:17 +0100 (nie, 03 mar 2019) | 1 line
+
+linux/vboxsf: MS_REMOUNT and friends moved to uapi/linux/mount.h in 5.0 (rc8), so we need to include it to use it. bugref:9172
+
+Index: src/VBox/Additions/linux/sharedfolders/vfsmod.c
+===================================================================
+--- src/VBox/Additions/linux/sharedfolders/vfsmod.c (revision 77541)
++++ src/VBox/Additions/linux/sharedfolders/vfsmod.c (revision 77542)
+@@ -45,7 +45,9 @@
+ #include "revision-generated.h"
+ #include "product-generated.h"
+ #include "VBoxGuestR0LibInternal.h"
+-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 0)
++# include <uapi/linux/mount.h> /* for MS_REMOUNT */
++#elif LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
+ # include <linux/mount.h>
+ #endif
+ #include <linux/seq_file.h>
+
+------------------------------------------------------------------------