wok-undigest annotate linux/description.linux-zram.txt @ rev 1217
copied linux receipt and stuff from wok-next
| author | Hans-G?nter Theisgen |
|---|---|
| date | Fri Nov 15 16:49:43 2019 +0100 (2019-11-15) |
| parents | |
| children |
| rev | line source |
|---|---|
| Hans-G?nter@1217 | 1 # Compressed RAM block device support |
| Hans-G?nter@1217 | 2 |
| Hans-G?nter@1217 | 3 Creates virtual block devices called /dev/zramX (X = 0, 1, ...). Pages written |
| Hans-G?nter@1217 | 4 to these disks are compressed and stored in memory itself. These disks allow |
| Hans-G?nter@1217 | 5 very fast I/O and compression provides good amounts of memory savings. |
| Hans-G?nter@1217 | 6 |
| Hans-G?nter@1217 | 7 It has several use cases, for example: /tmp storage, use as swap disks and |
| Hans-G?nter@1217 | 8 maybe many more. |
| Hans-G?nter@1217 | 9 |
| Hans-G?nter@1217 | 10 See Documentation/blockdev/zram.txt for more information. |