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

[Christoph Lameter]

On Mon, 6 Aug 2007, Andi Kleen wrote:

> > >  		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 ???
> 
> Note it's an union.

Ok. Then under what conditions can we use reserve? Right after alloc?

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