sh: pfn_valid() depends on flatmem.

pfn_valid() is already defined in the sparsemem case, so we only
need to define this for CONFIG_FLATMEM.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/asm-sh/page.h b/include/asm-sh/page.h
index 011dfbe14a6b..cb54b25100b1 100644
--- a/include/asm-sh/page.h
+++ b/include/asm-sh/page.h
@@ -135,7 +135,9 @@ typedef struct { unsigned long pgd; } pgd_t;
 #define PFN_START               (__MEMORY_START >> PAGE_SHIFT)
 #define ARCH_PFN_OFFSET         (PFN_START)
 #define virt_to_page(kaddr)     pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
+#ifdef CONFIG_FLATMEM
 #define pfn_valid(pfn)          ((pfn) >= min_low_pfn && (pfn) < max_low_pfn)
+#endif
 #define virt_addr_valid(kaddr)  pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
 
 #define VM_DATA_DEFAULT_FLAGS   (VM_READ | VM_WRITE | VM_EXEC | \