9fe95babc742 ("zram: remove valid_io_request")
071acb3084c5 ("zram: fix typos in comments")
84b33bf78889 ("zram: introduce recompress sysfs knob")
001d92735701 ("zram: add recompression algorithm sysfs knob")
7ac07a26dea7 ("zram: preparation for multi-zcomp support")