Re: [ 39/40] cpuset: mm: reduce large amounts of memory barrierrelated damage v3

[Greg Kroah-Hartman]

On Mon, Jul 30, 2012 at 08:37:31AM -0700, Greg Kroah-Hartman wrote:
> On Sat, Jul 28, 2012 at 02:02:31AM -0300, Herton Ronaldo Krzesinski wrote:
> > Thanks. I saw what seems another issue now on the patch too, sorry for
> > not noticing earlier: this backport is lacking the
> > write_seqcount_{begin,end} on set_mems_allowed for the case with
> > CONFIG_CPUSETS, like in the original patch:
> > 
> >  static inline void set_mems_allowed(nodemask_t nodemask)
> >  {
> >         task_lock(current);
> > +       write_seqcount_begin(&current->mems_allowed_seq);
> >         current->mems_allowed = nodemask;
> > +       write_seqcount_end(&current->mems_allowed_seq);
> >         task_unlock(current);
> >  }
> > 
> 
> Ok, but that's not in a patch format that I can apply :(
> 
> Care to redo it so I can add it to the existing patch?

Oh nevermind, Mel already did it.

Time for more coffee...

greg k-h
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