On Fri 04-08-17 00:02:01, Michael S. Tsirkin wrote: > On Thu, Aug 03, 2017 at 03:20:09PM +0000, Wang, Wei W wrote: > > On Thursday, August 3, 2017 9:51 PM, Michal Hocko: > > > As I've said earlier. Start simple optimize incrementally with some numbers to > > > justify a more subtle code. > > > -- > > > > OK. Let's start with the simple implementation as you suggested. > > > > Best, > > Wei > > The tricky part is when you need to drop the lock and > then restart because the device is busy. Would it maybe > make sense to rotate the list so that new head > will consist of pages not yet sent to device? No, I this should be strictly non-modifying API. -- Michal Hocko SUSE Labs
