#include <linux/rbtree.h>
struct vm_area_struct; /* vma defining user mapping in mm_types.h */
+struct notifier_block; /* in notifier.h */
/* bits in flags of vmalloc's vm_struct below */
#define VM_IOREMAP 0x00000001 /* ioremap() and friends */
#define VMALLOC_TOTAL 0UL
#endif
+int register_vmap_purge_notifier(struct notifier_block *nb);
+int unregister_vmap_purge_notifier(struct notifier_block *nb);
+
#endif /* _LINUX_VMALLOC_H */