On Thu, 31 Jan 2008, Christoph Lameter wrote: > > pagefault against the main linux page fault, given we already have all > > needed serialization out of the PT lock. XPMEM is forced to do that > > pt lock cannot serialize with invalidate_range since it is split. A range > requires locking for a series of ptes not only individual ones.
Hmmm.. May be okay after all. I see that you are only doing it on the pte level. This means the range callbacks are taking down a max of 512 entries. So you have a callback for each pmd. A callback for 2M of memory? -- 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/