> Yeah, I'm not at all surprised. Any implementation of "prefetch" that > doesn't just turn into a no-op if the TLB entry doesn't exist (which makes > them weaker for *actual* prefetching) will generally have a hard time with > a NULL pointer. Exactly because it will try to do a totally unnecessary > TLB fill - and since most CPU's will not cache negative TLB entries, that > unnecessary TLB fill will be done over and over and over again..
Yeah this is exactly what we were seeing :) Anton - 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/