From 03d46f48bb581e4d5eda20d7546c583d59c603e7 Mon Sep 17 00:00:00 2001
From: Pablo Fernandez <heelhook@littleq.net>
Date: Tue, 31 Jan 2012 11:23:18 -0300
Subject: [PATCH 1/2] report free buffers

---
 lib/mem_info.rb | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/mem_info.rb b/lib/mem_info.rb
index 8582441..b9cf268 100644
--- a/lib/mem_info.rb
+++ b/lib/mem_info.rb
@@ -9,7 +9,8 @@ class MemInfo
   @@attributes = {
     :memtotal       => "MemTotal",
     :memfree        => "MemFree",
-    :buffers        => "Cached",
+    :buffers        => "Buffers",
+    :cached         => "Cached",
     :swapcached     => "SwapCached",
     :active         => "Active",
     :inactive       => "Inactive",
@@ -58,10 +59,14 @@ def initialize
   def memused
     @memtotal - @memfree
   end
+
+  def free_buffers
+    @memfree + @buffers + @cached
+  end
   
   private
     def regex_match(attribute, line)
       regex = Regexp.new("#{@@attributes[attribute]}:\\s*(.*?)\\s")
       regex.match(line)[1] if regex === line
     end
-end
\ No newline at end of file
+end

From 7e39ca4dc888b78857dea83f4416c88dc31ceec1 Mon Sep 17 00:00:00 2001
From: Pablo Fernandez <pablo at littleq dot net>
Date: Tue, 31 Jan 2012 12:37:54 -0200
Subject: [PATCH 2/2] Update README.rdoc

---
 README.rdoc | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/README.rdoc b/README.rdoc
index b2c0511..e813c45 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -15,9 +15,10 @@ Require the library like you would expect:
 Then create a new MemInfo object:
 
  m = MemInfo.new
- m.memtotal => 70000
- m.memfree  => 54300
- m.memused  => 15700
+ m.memtotal     => 70000
+ m.memfree      => 54300
+ m.memused      => 15700
+ m.free_buffers => 75000 
 
 Take a look in lib/mem_info.rb for all fields that are available.