On Wed, Sep 17, 2014 at 01:27:14PM +0200, Radim Krčmář wrote: > 2014-09-17 13:26+0300, Gleb Natapov: > > For async_pf_execute() you do not need to even retry. Next guest's page fault > > will retry it for you. > > Wouldn't that be a waste of vmentries? This is how it will work with or without this second gup. Page is not mapped into a shadow page table on this path, it happens on a next fault. -- Gleb. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href