On giovedì 29 marzo 2007, Jeff Dike wrote: > On Thu, Mar 29, 2007 at 02:36:43AM +0200, Blaisorblade wrote: > > > Sometimes you need to. I'd probably just remove the do_ubd check and > > > always recall the request function when handling completions, it's > > > easier and safe. > > If I'm understanding this correctly, this is what happens now. There > is still the flag check and return if the queue is being run, but I > don't see the advantage of removing that. Possibly he just didn't understood what do_ubd was for, maybe there's some technical reason.
> That's a lot of mapping and unmapping though. I wonder if just > calling mmap would cause the COWed page to be dropped... Yes, it would. -- Inform me of my mistakes, so I can add them to my list! Paolo Giarrusso, aka Blaisorblade http://www.user-mode-linux.org/~blaisorblade - 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/
