Re: [PATCH] Add per-process flag to control thp

[Dave Jones]

On Fri, Aug 02, 2013 at 02:46:59PM -0500, Alex Thorlton wrote:

 > diff --git a/include/linux/sched.h b/include/linux/sched.h
 > index 50d04b9..f084c76 100644
 > --- a/include/linux/sched.h
 > +++ b/include/linux/sched.h
 > @@ -1406,6 +1406,9 @@ struct task_struct {
 >  	unsigned int	sequential_io;
 >  	unsigned int	sequential_io_avg;
 >  #endif
 > +#ifdef CONFIG_TRANSPARENT_HUGEPAGE
 > +	int thp_disabled;
 > +#endif
 >  };

Instead of blowing a whole int on this bool, we could add it
to the bitfield a few pages up where we have other prctl things like..

	unsigned no_new_privs:1;

	Dave

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