microblaze: Highmem support
The first highmem implementation.
Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/include/asm/fixmap.h b/arch/microblaze/include/asm/fixmap.h
index dd89754..f2b312e 100644
--- a/arch/microblaze/include/asm/fixmap.h
+++ b/arch/microblaze/include/asm/fixmap.h
@@ -21,6 +21,10 @@
#ifndef __ASSEMBLY__
#include <linux/kernel.h>
#include <asm/page.h>
+#ifdef CONFIG_HIGHMEM
+#include <linux/threads.h>
+#include <asm/kmap_types.h>
+#endif
#define FIXADDR_TOP ((unsigned long)(-PAGE_SIZE))
@@ -44,6 +48,10 @@
*/
enum fixed_addresses {
FIX_HOLE,
+#ifdef CONFIG_HIGHMEM
+ FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */
+ FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * num_possible_cpus()) - 1,
+#endif
__end_of_fixed_addresses
};