On Mon, Dec 08, 2014 at 11:55:07AM +0100, Dan Horák wrote:
> On Mon, 8 Dec 2014 11:36:47 +0100
> Karel Zak <k...@redhat.com> wrote:
> > BTW, util-linux v2.26 (f22) is going to contain new command zramctl(8)
> >
> > Karel
> >
> >
> > $ 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).
Karel
--
Karel Zak <k...@redhat.com>
http://karelzak.blogspot.com
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