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-rw-r--r--arch/arm/mm/mm.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index bb2bc9a..a44e309 100644
--- a/arch/arm/mm/mm.h
+++ b/arch/arm/mm/mm.h
@@ -1,4 +1,7 @@
/* the upper-most page table pointer */
+
+#ifdef CONFIG_MMU
+
extern pmd_t *top_pmd;
#define TOP_PTE(x) pte_offset_kernel(top_pmd, x)
@@ -13,6 +16,8 @@ static inline pmd_t *pmd_off_k(unsigned long virt)
return pmd_off(pgd_offset_k(virt), virt);
}
+#endif
+
struct map_desc;
struct meminfo;
struct pglist_data;
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