2 files changed, 16 insertions, 0 deletions

diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h
index a1eab136ff6c..4035ec79ecd4 100644
--- a/include/asm-mips/page.h
+++ b/include/asm-mips/page.h
@@ -139,9 +139,11 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 
 #define pfn_to_kaddr(pfn)       __va((pfn) << PAGE_SHIFT)
 
+#ifndef CONFIG_SPARSEMEM
 #ifndef CONFIG_NEED_MULTIPLE_NODES
 #define pfn_valid(pfn)          ((pfn) < max_mapnr)
 #endif
+#endif
 
 #define virt_to_page(kaddr)     pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
 #define virt_addr_valid(kaddr)  pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
diff --git a/include/asm-mips/sparsemem.h b/include/asm-mips/sparsemem.h
new file mode 100644
index 000000000000..795ac6c23203
--- /dev/null
+++ b/include/asm-mips/sparsemem.h
@@ -0,0 +1,14 @@
+#ifndef _MIPS_SPARSEMEM_H
+#define _MIPS_SPARSEMEM_H
+#ifdef CONFIG_SPARSEMEM
+
+/*
+ * SECTION_SIZE_BITS            2^N: how big each section will be
+ * MAX_PHYSMEM_BITS             2^N: how much memory we can have in that space
+ */
+#define SECTION_SIZE_BITS       28
+#define MAX_PHYSMEM_BITS        35
+
+#endif /* CONFIG_SPARSEMEM */
+#endif /* _MIPS_SPARSEMEM_H */
+