> > Which is indeed a further disincentive against shared page tables. > > Or shared pagetables a disincentive to randomizing the mmap space ;-) > They're incompatible, but you could be left to choose one or the other > via config option. > > 3% on "a certain industry-standard database benchmark" (cough) is huge, > and we expect the benefit for PPC64 will be larger as we can share the > underlying hardware PTEs without TLB flushing as well. >
surely the benchmark people know that the database in question always mmaps the shared area at the address where the first one started it? (if not, could make it so ;) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/