You know, using cscope works a lot better. (Allows you to see it in context.)
Also, there is searchable source on the web (sorry... link is not something I recall at the moment) and you can search to your heart's content right there.
Yeah... coders have dirty mouths.
EDIT:
http://lxr.linux.no/search
That is just one of many. This one allows you to select which kernel version you want to search through.