On 07/21, Benjamin LaHaise wrote:
>
> On Tue, Jul 21, 2015 at 05:29:03PM +0200, Oleg Nesterov wrote:
> >
> > static const struct vm_operations_struct aio_ring_vm_ops = {
> > .mremap = aio_ring_mremap,
> > +#ifdef CONFIG_MMU
> > .fault = filemap_fault,
> > .map_pages = filemap_map_pages,
> > .page_mkwrite = filemap_page_mkwrite,
> > +#endif
> > };
>
> One nit: using #if IS_ENABLED(CONFIG_MMU) is recommended these days not
> #ifdef CONFIG_MMU.
OK, this matches IS_ENABLED(CONFIG_MIGRATION). I am sending v3.
Oleg.
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