On Thu, 2007-12-13 at 14:36 -0800, Christoph Lameter wrote: > On Fri, 14 Dec 2007, Benjamin Herrenschmidt wrote: > > > > No this may mean that the problem does not exist on powerpc since it > > > seems to be okay to free pages before all processors have flushed the > > > TLBs? Or are you deferrring the freeing of the pages via RCU? > > > > I'm deferring the freeing with RCU. > > The deferral works on a page level or for the whole list of pages that > have been gathered?
We have a separate batch to store page table pages with an RCU head on it, we fire it off when it's full or when tlb gather is complete. Ben. -- 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/
