1 files changed, 1 insertions, 1 deletions

diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c
index 1f3cc3d92d3d..8837d511710a 100644
--- a/arch/sh/mm/mmap.c
+++ b/arch/sh/mm/mmap.c
@@ -17,7 +17,7 @@
  */
 int valid_phys_addr_range(unsigned long addr, size_t count)
 {
-        if (addr < (PAGE_OFFSET + (PFN_START << PAGE_SHIFT)))
+        if (addr < __MEMORY_START)
                 return 0;
         if (addr + count > __pa(high_memory))
                 return 0;