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? -- MST
