1 files changed, 3 insertions, 2 deletions

diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 17e75783e3a5..57f70bc8b24b 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -4,6 +4,7 @@
 #include <linux/slab.h>
 #include <linux/fs.h>
 #include <linux/spinlock.h>
+#include <linux/magic.h>
 #include <asm/atomic.h>
 
 /*
@@ -24,8 +25,6 @@ enum {
         PROC_ROOT_INO = 1,
 };
 
-#define PROC_SUPER_MAGIC 0x9fa0
-
 /*
  * This is not completely implemented yet. The idea is to
  * create an in-memory tree (like the actual /proc filesystem
@@ -269,7 +268,9 @@ static inline struct proc_dir_entry *PDE(const struct inode *inode)
 struct proc_maps_private {
         struct pid *pid;
         struct task_struct *task;
+#ifdef CONFIG_MMU
         struct vm_area_struct *tail_vma;
+#endif
 };
 
 #endif /* _LINUX_PROC_FS_H */