Re: Best way to use zram in Fedora 21?

[Reindl Harald <h.reindl@xxxxxxxxxxxxx>]

Am 09.12.2014 um 11:24 schrieb Karel Zak:
> On Mon, Dec 08, 2014 at 11:55:07AM +0100, Dan Horák wrote:
> > On Mon, 8 Dec 2014 11:36:47 +0100
> > Karel Zak <kzak@xxxxxxxxxx> wrote:
> > > BTW, util-linux v2.26 (f22) is going to contain new command zramctl(8)
> > >
> > > $ zramctl --help
> > >
> > > Usage:
> > >   lt-zramctl [options] <device>
> > >   lt-zramctl -r <device> [...]
> > >   lt-zramctl [options] -f | <device> -s <size>
> > >
> > > Options:
> > >   -a, --algorithm lzo|lz4   compression algorithm to use
> >
> > can this work with HW accelerated compressors like the one in IBM Power
> > CPUs? See eg.
> > https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/W51a7ffcf4dfd_4b40_9d82_446ebc23c550/page/Build%20F17%20with%20Memory%20Compression
>
> Not sure, but it seems that zram currently supports only lzo and lz4
> compression backends and boths are pure SW solutions. It does not use
> IMB nx-compression (kernel ./drivers/crypto/nx/nx-842.c)

any chance to see util-linux v2.26 in F21?

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