---

yaml
---
r: 175115
b: refs/heads/master
c: 47f9afb
h: refs/heads/master
i:
  175113: 5442779
  175111: b58c441
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 306b0c957f3f0e7da6551652abbfe17b560173ce
+refs/heads/master: 47f9afb38f0de2f153deea34bf1ef5c778815f2e

trunk/drivers/staging/ramzswap/ramzswap.txt

@@ -0,0 +1,51 @@
+ramzswap: Compressed RAM based swap device
+-------------------------------------------
+
+Project home: http://compcache.googlecode.com/
+
+* Introduction
+
+It creates RAM based block devices which can be used (only) as swap disks.
+Pages swapped to these devices are compressed and stored in memory itself.
+See project home for use cases, performance numbers and a lot more.
+
+Individual ramzswap devices are configured and initialized using rzscontrol
+userspace utility as shown in examples below. See rzscontrol man page for more
+details.
+
+* Usage
+
+Following shows a typical sequence of steps for using ramzswap.
+
+1) Load Modules:
+	modprobe ramzswap num_devices=4
+	This creates 4 (uninitialized) devices: /dev/ramzswap{0,1,2,3}
+	(num_devices parameter is optional. Default: 1)
+
+2) Initialize:
+	Use rzscontrol utility to configure and initialize individual
+	ramzswap devices. Example:
+	rzscontrol /dev/ramzswap2 --init # uses default value of disksize_kb
+
+	*See rzscontrol man page for more details and examples*
+
+3) Activate:
+	swapon /dev/ramzswap2 # or any other initialized ramzswap device
+
+4) Stats:
+	rzscontrol /dev/ramzswap2 --stats
+
+5) Deactivate:
+	swapoff /dev/ramzswap2
+
+6) Reset:
+	rzscontrol /dev/ramzswap2 --reset
+	(This frees all the memory allocated for this device).
+
+
+Please report any problems at:
+ - Mailing list: linux-mm-cc at laptop dot org
+ - Issue tracker: http://code.google.com/p/compcache/issues/list
+
+Nitin Gupta
+ngupta@vflare.org