x86: introduce /dev/mem restrictions with a config option

[linux-2.6-omap-h63xx.git] / include / asm-x86 / page.h

diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index c8b30efeed85c6354d229a18d1d14bae2c206a87..b381f4a5a0bd90fc0e75268f5ee743b56ff1d3dd 100644 (file)
--- a/include/asm-x86/page.h
+++ b/include/asm-x86/page.h
@@ -13,8 +13,8 @@
 #define PHYSICAL_PAGE_MASK     (PAGE_MASK & __PHYSICAL_MASK)
 #define PTE_MASK               (_AT(long, PHYSICAL_PAGE_MASK))
 
-#define LARGE_PAGE_SIZE                (_AC(1,UL) << PMD_SHIFT)
-#define LARGE_PAGE_MASK                (~(LARGE_PAGE_SIZE-1))
+#define PMD_PAGE_SIZE          (_AC(1, UL) << PMD_SHIFT)
+#define PMD_PAGE_MASK          (~(PMD_PAGE_SIZE-1))
 
 #define HPAGE_SHIFT            PMD_SHIFT
 #define HPAGE_SIZE             (_AC(1,UL) << HPAGE_SHIFT)
@@ -33,10 +33,8 @@
 
 #ifdef CONFIG_X86_64
 #include <asm/page_64.h>
-#define max_pfn_mapped         end_pfn_map
 #else
 #include <asm/page_32.h>
-#define max_pfn_mapped         max_low_pfn
 #endif /* CONFIG_X86_64 */
 
 #define PAGE_OFFSET            ((unsigned long)__PAGE_OFFSET)
@@ -49,16 +47,19 @@
 #ifndef __ASSEMBLY__
 
 extern int page_is_ram(unsigned long pagenr);
+extern int devmem_is_allowed(unsigned long pagenr);
+
+extern unsigned long max_pfn_mapped;
 
 struct page;
 
-static void inline clear_user_page(void *page, unsigned long vaddr,
+static inline void clear_user_page(void *page, unsigned long vaddr,
                                struct page *pg)
 {
        clear_page(page);
 }
 
-static void inline copy_user_page(void *to, void *from, unsigned long vaddr,
+static inline void copy_user_page(void *to, void *from, unsigned long vaddr,
                                struct page *topage)
 {
        copy_page(to, from);