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(a)redhat.com> 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/W5...
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)