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SubjectRe: [PATCH 03/10] mm: tag reseve pages
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Christoph Lameter <clameter@sgi.com> writes:

> 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 ???

Note it's an union.

-Andi
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