Hi Andrew, But can i use jiffies to measure this kind of performance??? AFAIK, if it is more efficient, then it is faster, right? How can I know how fast it is? Any idea?
BR, Mauricio Lin. On Thu, 24 Feb 2005 01:09:47 -0800, Andrew Morton <[EMAIL PROTECTED]> wrote: > Mauricio Lin <[EMAIL PROTECTED]> wrote: > > > > You said that the old smaps version is not efficient because the way > > it access each pte. > > Nick is talking about changing the kenrel so that it "refcounts pagetable > pages". I'm not sure why. > > I assume that this means that each pte page's refcount will be incremented > by one for each instantiated pte. If so, then /proc/pid/smaps can become a > lot more efficient. Just add up the page refcounts on all the pte pages - > no need to walk the ptes themselves. > > Maybe? > - 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/