CONFIG_XVMALLOC (not configurable)

modulename:  xvmalloc.ko

configname: CONFIG_XVMALLOC

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>XVMALLOC
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
source code:
drivers/staging/zram/
depends
CONFIG_STAGING

is depended by
CONFIG_ZRAM