[lkml]   [2002]   [Sep]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: TLB flush counters gone in 2.5.35-bk?
Roberto Nibali wrote:
> Hello,
> I was just browsing over the latest bk tree when I saw the following change:
> ...
> - unsigned long flushes;/* stats: count avoided flushes */
> - unsigned long avoided_flushes;

That was some statistical/debug code to evaluate how useful
that particular optimisation was being. Answer: it saves
30-35% of the global TLB invalidations coming out of there.

But it had served its purpose.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 12:45    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean