ide: add ->fixup method to ide_hwif_t

[safe/jmp/linux-2.6] / include / linux / vmalloc.h

diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index c2b10ca..89338b4 100644 (file)
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -58,6 +58,13 @@ void vmalloc_sync_all(void);
 /*
  *     Lowlevel-APIs (not for driver use!)
  */
+
+static inline size_t get_vm_area_size(const struct vm_struct *area)
+{
+       /* return actual size without guard page */
+       return area->size - PAGE_SIZE;
+}
+
 extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags);
 extern struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
                                        unsigned long start, unsigned long end);