Track zRam block status

configname: CONFIG_ZRAM_MEMORY_TRACKING

Linux Kernel Configuration
└─>Device Drivers
└─>Block devices
└─>Track zRam block status
In linux kernel since version 3.10 (release Date: 2013-06-30)  
With this feature, admin can track the state of allocated blocks
of zRAM. Admin could see the information via
/sys/kernel/debug/zram/zramX/block_state.

See Documentation/admin-guide/blockdev/zram.rst for more information.