Re: 2.5.38-mm3

Dipankar Sarma
2002-09-26T12:40:52Z

On Thu, Sep 26, 2002 at 05:29:09AM -0700, William Lee Irwin III wrote:
> On Thu, Sep 26, 2002 at 05:54:45PM +0530, Dipankar Sarma wrote:
> > Updated 2.5.38 RCU core and dcache_rcu patches are now available
> > at http://sourceforge.net/project/showfiles.php?group_id=8875&release_id=112473
> > The differences since earlier versions are -
> > rcu_ltimer - call_rcu() fixed for preemption and the earlier fix I had sent
> > to you.
> > read_barrier_depends - fixes list_for_each_rcu macro compilation error.
> > dcache_rcu - uses list_add_rcu in d_rehash and list_for_each_rcu in d_lookup
> > making the read_barrier_depends() fix I had sent to you
> > earlier unnecessary.
>
> Is there an update to the files_struct stuff too? I'm seeing large
> overheads there also.

files_struct_rcu is not in mm kernels, but I will upload the most
recent version to the same download directory in LSE.

I would be interested in fget() profile count change with that patch.

Thanks
--
Dipankar Sarma <dipankar@in.ibm.com> http://lse.sourceforge.net
Linux Technology Center, IBM Software Lab, Bangalore, India.