* IOREMAP area is treated as memory hole and no copy is done.
*
* If [addr...addr+count) doesn't includes any intersects with alive
- * vm_struct area, returns 0.
- * @buf should be kernel's buffer. Because this function uses KM_USER0,
- * the caller should guarantee KM_USER0 is not used.
+ * vm_struct area, returns 0. @buf should be kernel's buffer.
*
* Note: In usual ops, vread() is never necessary because the caller
* should know vmalloc() area is valid and can use memcpy().
* IOREMAP area is treated as memory hole and no copy is done.
*
* If [addr...addr+count) doesn't includes any intersects with alive
- * vm_struct area, returns 0.
- * @buf should be kernel's buffer. Because this function uses KM_USER0,
- * the caller should guarantee KM_USER0 is not used.
+ * vm_struct area, returns 0. @buf should be kernel's buffer.
*
* Note: In usual ops, vwrite() is never necessary because the caller
* should know vmalloc() area is valid and can use memcpy().