2 tristate "Compressed RAM block device support"
3 depends on BLOCK && SYSFS && ZSMALLOC && CRYPTO
7 Creates virtual block devices called /dev/zramX (X = 0, 1, ...).
8 Pages written to these disks are compressed and stored in memory
9 itself. These disks allow very fast I/O and compression provides
10 good amounts of memory savings.
12 It has several use cases, for example: /tmp storage, use as swap
13 disks and maybe many more.
15 See zram.txt for more information.