> On Nov 28, 2006, at 4:00 PM, Christos Zoulas wrote:
> 
> > I did not want to keep a full pathname buffer in struct proc. There
> > is also the issue of the binary being renamed/removed. I guess those
> > are corner cases that are not worth discussing though.
> 
> I don't understand why we can't just keep it around in the namei cache  
> so long as the vnode is in use...
> 
> -- thorpej

because
- name cache is optional.
- nfs often evicts its cache entries.

YAMAMOTO Takashi