Evgeniy Polyakov wrote: > On Sat, Mar 04, 2006 at 01:41:44PM -0800, David S. Miller ([EMAIL PROTECTED]) > wrote: > > From: Jan Engelhardt <[EMAIL PROTECTED]> > > Date: Sat, 4 Mar 2006 19:46:22 +0100 (MET) > > > > > Does this buy the normal standard desktop user anything? > > > > Absolutely, it optimizes end-node performance. > > It really depends on how it is used. > According to investigation made for kevent based FS AIO reading, > get_user_pages() performange graph looks like sqrt() function
Hmm, so I should resurrect my user page table walker abstraction? There I would hand each page to a "recording" function, which can drop the page from the collection or coalesce it in the collector if your scatter gather implementation allows it. Regards Ingo Oeser - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
