--- a/vfs_cache.c
+++ b/vfs_cache.c
@@ -232,7 +232,7 @@ int __init cifsd_inode_hash_init(void)
 	size = bucketsize << inode_hash_shift;
 
 	/* init master fp hash table */
-	inode_hashtable = __vmalloc(size, GFP_ATOMIC, PAGE_KERNEL);
+	inode_hashtable = vmalloc(size);
 	if (!inode_hashtable)
 		return -ENOMEM;
 
--- b/vfs.c
+++ b/vfs.c
@@ -17,6 +17,8 @@
 #include <linux/fsnotify.h>
 #include <linux/dcache.h>
 #include <linux/fiemap.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)
 #include <linux/sched/xacct.h>
--- b/vfs_cache.c
+++ b/vfs_cache.c
@@ -5,6 +5,8 @@
  */
 
 #include <linux/fs.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
 
 /* @FIXME */
 #include "glob.h"