fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / include / asm-mips / highmem.h

diff --git a/include/asm-mips/highmem.h b/include/asm-mips/highmem.h
index f49930d..f8c8182 100644 (file)
--- a/include/asm-mips/highmem.h
+++ b/include/asm-mips/highmem.h
@@ -19,9 +19,9 @@
 
 #ifdef __KERNEL__
 
-#include <linux/config.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/uaccess.h>
 #include <asm/kmap_types.h>
 
 /* undef for production */
@@ -71,10 +71,16 @@ static inline void *kmap(struct page *page)
 
 static inline void *kmap_atomic(struct page *page, enum km_type type)
 {
+       pagefault_disable();
        return page_address(page);
 }
 
-static inline void kunmap_atomic(void *kvaddr, enum km_type type) { }
+static inline void kunmap_atomic(void *kvaddr, enum km_type type)
+{
+       pagefault_enable();
+}
+
+#define kmap_atomic_pfn(pfn, idx) kmap_atomic(pfn_to_page(pfn), (idx))
 
 #define kmap_atomic_to_page(ptr) virt_to_page(ptr)
 
@@ -86,6 +92,7 @@ extern void *__kmap(struct page *page);
 extern void __kunmap(struct page *page);
 extern void *__kmap_atomic(struct page *page, enum km_type type);
 extern void __kunmap_atomic(void *kvaddr, enum km_type type);
+extern void *kmap_atomic_pfn(unsigned long pfn, enum km_type type);
 extern struct page *__kmap_atomic_to_page(void *ptr);
 
 #define kmap                   __kmap