From 726b80127239aeea9c8d8aad5b4e2c80313e3ce8 Mon Sep 17 00:00:00 2001 From: Andrew Morton <akpm@linux-foundation.org> Date: Mon, 28 Apr 2008 02:12:44 -0700 Subject: [PATCH] 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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> --- include/linux/mm.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 24659ed06baed..4f3c1b2f44de7 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -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; } -- GitLab