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Mel Gorman authored
The statistics patch later needs to know what order a free page is on the free lists. Rather than having special knowledge of page_private() when PageBuddy() is set, this patch places out page_order() in internal.h and adds a VM_BUG_ON to catch using it on non-PageBuddy pages. Signed-off-by:
Mel Gorman <mel@csn.ul.ie> Signed-off-by:
Christoph Lameter <clameter@sgi.com> Acked-by:
Andy Whitcroft <apw@shadowen.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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