On Mon, Dec 03, 2018 at 11:30:40AM +0900, Sergey Senozhatsky wrote: > On (12/03/18 08:18), Minchan Kim wrote: > > > > Per andrew's comment: > > https://lkml.org/lkml/2018/11/27/156 > > > > I need to fix it to represent 4K always. > > Aha. > > Then we need to increase bd_writes PAGE_SIZE/4K times in writeback_store()? > > wb_count = atomic64_inc_return(&zram->stats.bd_writes); > ... > if (wb_limit != 0 && wb_count >= wb_limit) > zram->stop_writeback = true; > > bd_wb_limit is in 4K units; but in writeback_store() we alloc a full page > and write it to the backing device. So the actual number of written bytes > can be larger on systems with page_size > 4K. Right?
Hey Sergey, I changed interface in recent version v4. I belive it would be more straigtforward for user. Could you review it? Thanks!
