Compression acceleration support on PowerNV platform

modulename: nx-compress-powernv.ko

configname: CONFIG_CRYPTO_DEV_NX_COMPRESS_POWERNV

Linux Kernel Configuration
└─>Cryptographic API
└─>Hardware crypto devices
└─>Compression acceleration support on PowerNV platform
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Support for PowerPC Nest (NX) compression acceleration. This
module supports acceleration for compressing memory with the 842
algorithm. This supports NX hardware on the PowerNV platform.
If you choose 'M' here, this module will be called nx_compress_powernv.

source code: