#ifndef _XEN_TMEM_H
  #define _XEN_TMEM_H
  
  #include <linux/types.h>
  
  #ifdef CONFIG_XEN_TMEM_MODULE
  #define tmem_enabled true
  #else
  /* defined in drivers/xen/tmem.c */
  extern bool tmem_enabled;
  #endif
  
  #ifdef CONFIG_XEN_SELFBALLOONING
  extern int xen_selfballoon_init(bool, bool);
  #endif
  
  #endif /* _XEN_TMEM_H */