text: > I wonder if it may be feasible to allocate a bunch of contiguous> pages. Then, whenever the hardware returns a bus address, subtract> the remembered bus address of the zone start, add the offset to> the virtual and voila.Even if not you can hash by page number not low bits so the hash is way smaller. You (in most cases) can also write the entry number in the relevanttables onto the end of the object in spare space (or in front of it)Something as trivial as struct usb_thingy { u32 thing_id; u32 flags; struct usb_thingy *next;#ifndef __LP64__ u32 pad#endif struct usb_controller_goo goo; }Alan-To unsubscribe from this list: send the line "unsubscribe linux-kernel" inthe body of a message to majordomo@vger.kernel.orgMore majordomo info at read the FAQ at