On Fri, 3 Feb 2006 10:33:58 +0900
KUROSAWA Takahiro <kurosawa@valinux.co.jp> wrote:
> On Tue, 31 Jan 2006 19:07:35 -0800
> chandra seetharaman <sekharan@us.ibm.com> wrote:
> 
> > I tried to use the controller but having some problems.
> > 
> > - Created class a,
> > - set guarantee to 50(with parent having 100, i expected class a to get 
> >   50% of memory in the system). 
> > - moved my shell to class a. 
> > - Issued a make in the kernel tree.
> > It consistently fails with 
> > -----------
> > make: getcwd: : Cannot allocate memory
> > Makefile:313: /scripts/Kbuild.include: No such file or directory
> > Makefile:532: /arch/i386/Makefile: No such file or directory
> > Can't open perl script "/scripts/setlocalversion": No such file or
> > directory
> > make: *** No rule to make target `/arch/i386/Makefile'.  Stop.
> > -----------
> > Note that the compilation succeeds if I move my shell to the default
> > class.
> 
> I could reproduce this problem.  Could you try the attached patch?

I'm sorry, the patch attached to my previous mail has a severe bug.
Could you try this patch instead?
Also, the code still doesn't work if you enable preemption because of
a locking problem so far...