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Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/mm.h5
-rw-r--r--arch/arm/mm/nommu.c4
2 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index bb2bc9ab6bd..a44e3097063 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;
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index d0e66424a59..05818fc0c70 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -6,10 +6,12 @@
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
+#include <linux/bootmem.h>
#include <asm/cacheflush.h>
#include <asm/io.h>
#include <asm/page.h>
+#include <asm/mach/arch.h>
#include "mm.h"
@@ -76,7 +78,7 @@ void __iomem *__ioremap(unsigned long phys_addr, size_t size,
}
EXPORT_SYMBOL(__ioremap);
-void __iounmap(void __iomem *addr)
+void __iounmap(volatile void __iomem *addr)
{
}
EXPORT_SYMBOL(__iounmap);