CONFIG_CRYPTO_ABLK_HELPER_X86 (not configurable)

modulename: ablk_helper.ko

configname: CONFIG_CRYPTO_ABLK_HELPER_X86

Linux Kernel Configuration
└─>Cryptographic API
└─>CRYPTO_ABLK_HELPER_X86
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
arch/x86/crypto/ablk_helper.c