* The agp_memory structure has information about the block of agp memory
* allocated. A caller may manipulate the next and prev pointers to link
* each allocated item into a list. These pointers are ignored by the backend.
* Everything else should never be written to, but the caller may read any of
* The agp_memory structure has information about the block of agp memory
* allocated. A caller may manipulate the next and prev pointers to link
* each allocated item into a list. These pointers are ignored by the backend.
* Everything else should never be written to, but the caller may read any of