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SubjectRe: 2.6.18-rc5-mm1: MMU=n compile error
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On Mon, 2006-09-04 at 00:17 +0200, Adrian Bunk wrote:
> mm-tracking-shared-dirty-pages.patch breaks CONFIG_MMU=n architectures:
>
> <-- snip -->
>
> ....
> CC mm/page-writeback.o
> /home/bunk/linux/kernel-2.6/linux-2.6.18-rc5-mm1/mm/page-writeback.c: In function 'test_clear_page_dirty':
> /home/bunk/linux/kernel-2.6/linux-2.6.18-rc5-mm1/mm/page-writeback.c:867: error: implicit declaration of function 'page_mkclean'
> make[2]: *** [mm/page-writeback.o] Error 1

This might fix it, but I don't have a cross compiler for any nommu arch,
nor an emulator so I can't test. - Will try to build me a toolchain but
this could take some time.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
include/linux/rmap.h | 2 ++
1 file changed, 2 insertions(+)

Index: linux-mm/include/linux/rmap.h
===================================================================
--- linux-mm.orig/include/linux/rmap.h 2006-09-04 08:31:57.000000000 +0200
+++ linux-mm/include/linux/rmap.h 2006-09-04 08:33:44.000000000 +0200
@@ -120,6 +120,8 @@ int page_mkclean(struct page *);
#define page_referenced(page,l) TestClearPageReferenced(page)
#define try_to_unmap(page, refs) SWAP_FAIL

+#define page_mkclean(page) (0)
+
#endif /* CONFIG_MMU */

/*


--
VGER BF report: H 0.393012
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