Peter Zijlstra <pet...@infradead.org> writes: > On Thu, May 08, 2014 at 03:34:17PM +0300, Alexander Shishkin wrote: >> Peter Zijlstra <pet...@infradead.org> writes: >> >> > So the aux_head/tail values should also be in the file space and not >> > start at 0 again, similar for the offsets in the AUX record. >> >> Thinking some more about it: if we keep aux_{offset,size} in userpg, >> then it would make sense to have aux_{head,tail} run from 0 to infinity >> similar to data_{head,tail}, especially considering that neither data_* >> nor aux_* pointers are file offsets anyway. > > Yeah, this might make it easier. So then the rule is *_offset + > *_{head,tail} is the actual file offset into the buffer.
You mean *_offset + (*_{head,tail} % *_size) ? Regards, -- Alex -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/