Hi Paulo > One thing you could also try is to pass MAP_POPULATE to mmap so that the > page tables are filled in at the time of the mmap, avoiding a lot of > page faults later. > > Just my 2 cents,
OK, I will test your idea and report about tomorrow. but I don't think page fault is major performance impact. may be, below 2 things too big - stupid page reclaim - large cache pollution by memcpy. Just my 2 cents :-p - kosaki -- 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/