[lkml]   [2001]   [Sep]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Locking comment on shrink_caches()
>    See prefetching - the CPU prefetching will hide some of the effect and
> the spin_lock_prefetch() macro does wonders for the rest.
> Well, if prefetching can do it faster than avoiding the transaction
> altogether, I'm game :-)

That would depend on the cost of avoidance, the amount of contention and
the distance ahead you can fetch. Avoiding it also rather more portable so
I suspect you win

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 13:03    [W:0.056 / U:0.920 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site