This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / xen / driver_util.h

diff --git a/include/xen/driver_util.h b/include/xen/driver_util.h
new file mode 100644 (file)
index 0000000..4e70b93
--- /dev/null
+++ b/include/xen/driver_util.h
@@ -0,0 +1,16 @@
+
+#ifndef __ASM_XEN_DRIVER_UTIL_H__
+#define __ASM_XEN_DRIVER_UTIL_H__
+
+#include <linux/config.h>
+#include <linux/vmalloc.h>
+
+/* Allocate/destroy a 'vmalloc' VM area. */
+extern struct vm_struct *alloc_vm_area(unsigned long size);
+extern void free_vm_area(struct vm_struct *area);
+
+/* Lock an area so that PTEs are accessible in the current address space. */
+extern void lock_vm_area(struct vm_struct *area);
+extern void unlock_vm_area(struct vm_struct *area);
+
+#endif /* __ASM_XEN_DRIVER_UTIL_H__ */