[PATCH] stub out is_swap_pte for !MMU

[Mike Frysinger]

With commit 698dd4ba6b12e34e1e432c944c01478c0b2cd773, swap_pte() was moved
into view of both MMU and !MMU, but uses functions only provided by MMU.
Here we stub out the function for !MMU ports.

Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
---
 include/linux/swapops.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/include/linux/swapops.h b/include/linux/swapops.h
index 7bf2d14..e6b54f7 100644
--- a/include/linux/swapops.h
+++ b/include/linux/swapops.h
@@ -45,7 +45,11 @@ static inline pgoff_t swp_offset(swp_entry_t entry)
 /* check whether a pte points to a swap entry */
 static inline int is_swap_pte(pte_t pte)
 {
+#ifdef CONFIG_MMU
 	return !pte_none(pte) && !pte_present(pte) && !pte_file(pte);
+#else
+	return 0;
+#endif
 }
 
 /*
-- 
1.5.4

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