Re: what's cooking in zram for 4.1

Sergey Senozhatsky
2015-05-18T09:56:50Z

On (05/18/15 11:36), Karel Zak wrote:
> On Sat, May 09, 2015 at 01:21:48PM +0900, Sergey Senozhatsky wrote:
> > There will be some user-space visible changes in zram 4.1 we'd love to let you know
> > about.
>
> ...
>
> > -- /sys/block/zram<id>/mm_stat
> >
> > The stat file represents device's mm statistics. It consists of a single
> > line of text and contains the following stats separated by whitespace:
> > orig_data_size
> > compr_data_size
> > mem_used_total
> > mem_limit
> > mem_used_max
> > zero_pages
> > num_migrated
>
> OK, zramctl(8) code in util-linux git tree supports mm_stat file now.
> It's able to fallback to the original /sys/block/zram<id>/<attr> if
> mm_stat does not exist. The change will be available in v2.27 (~Aug 2015).
>
> I have also added support for MEM-LIMIT, MEM-USED and MIGRATED columns.
>

great, thanks!

-ss