Re: [patch 5/6] mmu_notifier: Support for drivers with revers maps(f.e. for XPmem)

[Christoph Lameter]

On Fri, 15 Feb 2008, Andrew Morton wrote:

> > +#define mmu_rmap_notifier(function, args...)				\
> > +	do {								\
> > +		struct mmu_rmap_notifier *__mrn;			\
> > +		struct hlist_node *__n;					\
> > +									\
> > +		rcu_read_lock();					\
> > +		hlist_for_each_entry_rcu(__mrn, __n,			\
> > +				&mmu_rmap_notifier_list, hlist)		\
> > +			if (__mrn->ops->function)			\
> > +				__mrn->ops->function(__mrn, args);	\
> > +		rcu_read_unlock();					\
> > +	} while (0);
> > +
> 
> buggy macro: use locals.

Ok. Same as the non rmap version.

> > +EXPORT_SYMBOL(mmu_rmap_export_page);
> 
> The other patch used EXPORT_SYMBOL_GPL.

Ok will make that consistent.


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