[PATCH] add slab_is_available() routine for boot code

[linux-2.6] / include / linux / highmem.h

diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 2a7e6c65c882f6b17b1d4037ed1c8a25637d7455..892c4ea1b4254a63d6540f948229a6f8164282e1 100644 (file)
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -7,6 +7,18 @@
 
 #include <asm/cacheflush.h>
 
+#ifndef ARCH_HAS_FLUSH_ANON_PAGE
+static inline void flush_anon_page(struct page *page, unsigned long vmaddr)
+{
+}
+#endif
+
+#ifndef ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
+static inline void flush_kernel_dcache_page(struct page *page)
+{
+}
+#endif
+
 #ifdef CONFIG_HIGHMEM
 
 #include <asm/highmem.h>
@@ -28,6 +40,7 @@ static inline void *kmap(struct page *page)
 
 #define kmap_atomic(page, idx)         page_address(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 /* CONFIG_HIGHMEM */