1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 85ce7ef9a512..fd7d12daa94f 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -24,11 +24,15 @@ static inline void flush_kernel_dcache_page(struct page *page)
 
 /* declarations for linux/mm/highmem.c */
 unsigned int nr_free_highpages(void);
+extern unsigned long totalhigh_pages;
 
 #else /* CONFIG_HIGHMEM */
 
 static inline unsigned int nr_free_highpages(void) { return 0; }
 
+#define totalhigh_pages 0
+
+#ifndef ARCH_HAS_KMAP
 static inline void *kmap(struct page *page)
 {
         might_sleep();
@@ -41,6 +45,7 @@ static inline void *kmap(struct page *page)
 #define kunmap_atomic(addr, idx)        do { } while (0)
 #define kmap_atomic_pfn(pfn, idx)       page_address(pfn_to_page(pfn))
 #define kmap_atomic_to_page(ptr)        virt_to_page(ptr)
+#endif
 
 #endif /* CONFIG_HIGHMEM */