Re: [PATCH 03/10] mm: tag reseve pages

[Peter Zijlstra]

On Mon, 2007-08-06 at 11:11 -0700, Christoph Lameter wrote:
> On Mon, 6 Aug 2007, Peter Zijlstra wrote:
> 
> > ===================================================================
> > --- linux-2.6-2.orig/include/linux/mm_types.h
> > +++ linux-2.6-2/include/linux/mm_types.h
> > @@ -60,6 +60,7 @@ struct page {
> >  	union {

	^^^^^^^^^^
> >  		pgoff_t index;		/* Our offset within mapping. */
> >  		void *freelist;		/* SLUB: freelist req. slab lock */
> > +		int reserve;		/* page_alloc: page is a reserve page */
> 
> Extending page struct ???

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