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Commit 726b8012 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds
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page_mapping(): add ifdef around reference to swapper_space 



This fixes the superh build when the pageflags patches are applied.

But it shouldn't unless it's a gcc bug.

Cc: Christoph Lameter <clameter@sgi.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1cdf25d7

include/linux/mm.h

+4 −1
Original line number Diff line number Diff line
@@ -605,9 +605,12 @@ static inline struct address_space *page_mapping(struct page *page) 
	struct address_space *mapping = page->mapping;



	VM_BUG_ON(PageSlab(page));

#ifdef CONFIG_SWAP

	if (unlikely(PageSwapCache(page)))

		mapping = &swapper_space;

	else if (unlikely((unsigned long)mapping & PAGE_MAPPING_ANON))

	else

#endif

	if (unlikely((unsigned long)mapping & PAGE_MAPPING_ANON))

		mapping = NULL;

	return mapping;

}