On Fri Sep 16 18:18:25 EDT 2011, fors...@terzarima.net wrote: > > (can't one just preemptively map the whole text on first-fault?) > > that doesn't make sense on many architectures. > if there isn't a page table system, for instance, but a set of moderate size > of software-managed tlbs, > perhaps with hardware assistance, that won't work terribly well. > the faults tell you what you're using right now. you need a page size, > however, > that's appropriate for your system (including your application set), or > faulting lots of tiny chunks of text that your processor can execute quickly > will give excessive overhead.
sure but we are talking about x86_64, which has a limited number of possible page sizes and hardware managed tlbs. it would seem that one could give the architecture code the info and let it decide? - erik
