Cache Coloring in Linux Kernel

["#KUGAN VIVEKANANDARAJAH#" <kugan@pmail.ntu.edu.sg>]

Hi
I am interested in cache coloring for linux kerenel, it seems SGI has done some work on this already , but i am not able to get the patch for this. 
Could any one tell me tell me where i can get the patch and more informatio regarding this.
Any sugestion or pointer is welcome
Thanks in advance
Kugan
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