Thanks for the reply! On Wed, Apr 27, 2022 at 08:30:16PM +0900, Sergey Senozhatsky wrote: > On (22/04/27 13:03), Alexey Romanov wrote: > > diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c > > index cb253d80d72b..4be6caf43b1d 100644 > > --- a/drivers/block/zram/zram_drv.c > > +++ b/drivers/block/zram/zram_drv.c > > @@ -1153,9 +1153,8 @@ static ssize_t debug_stat_show(struct device *dev, > > > > down_read(&zram->init_lock); > > ret = scnprintf(buf, PAGE_SIZE, > > - "version: %d\n%8llu %8llu\n", > > + "version: %d\n%8llu\n", > > version, > > - (u64)atomic64_read(&zram->stats.writestall), > > (u64)atomic64_read(&zram->stats.miss_free)); > > up_read(&zram->init_lock); > > I think this also has to bump `version` to 2, since format of the > file has changed. Yes, I'll do that in the next patch. Minchan, do you have any suggestions on this patch? I want to fix Sergey suggestion and sumbit next patch.