From: David Howells <dhowells@redhat.com>

Provide a page_mkclean() implementation for NOMMU.  This doesn't do anything
except return successfully as there are no PTEs for it to play with.

This is only relevant to the -mm kernels.

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 include/linux/rmap.h |    6 ++++++
 1 files changed, 6 insertions(+)

diff -puN include/linux/rmap.h~mm-tracking-shared-dirty-pages-nommu-fix-2 include/linux/rmap.h
--- a/include/linux/rmap.h~mm-tracking-shared-dirty-pages-nommu-fix-2
+++ a/include/linux/rmap.h
@@ -120,6 +120,12 @@ int page_mkclean(struct page *);
 #define page_referenced(page,l) TestClearPageReferenced(page)
 #define try_to_unmap(page, refs) SWAP_FAIL
 
+static inline int page_mkclean(struct page *page)
+{
+	return 0;
+}
+
+
 #endif	/* CONFIG_MMU */
 
 /*
_