Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/gpu/drm/drm_hashtab.c b/drivers/gpu/drm/drm_hashtab.c
index c92b00d..c50fa6f 100644
--- a/drivers/gpu/drm/drm_hashtab.c
+++ b/drivers/gpu/drm/drm_hashtab.c
@@ -32,11 +32,15 @@
  * Thomas Hellström <thomas-at-tungstengraphics-dot-com>
  */
 
-#include <drm/drmP.h>
-#include <drm/drm_hashtab.h>
-#include <linux/hash.h>
-#include <linux/slab.h>
 #include <linux/export.h>
+#include <linux/hash.h>
+#include <linux/mm.h>
+#include <linux/rculist.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+
+#include <drm/drm_hashtab.h>
+#include <drm/drm_print.h>
 
 int drm_ht_create(struct drm_open_hash *ht, unsigned int order)
 {