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authorMichal Simek <monstr@monstr.eu>2011-12-15 15:02:37 +0100
committerMichal Simek <monstr@monstr.eu>2012-03-23 09:28:13 +0100
commit2f2f371f8907d169650f594850ca6096e2f73b77 (patch)
tree053824b8bd18fdd71119510be569fa0ff7ec0c29 /arch/microblaze/include/asm/fixmap.h
parentbaab8a828d2d6b5b073c192ebe777514bbf3c831 (diff)
microblaze: Highmem support
The first highmem implementation. Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/include/asm/fixmap.h')
-rw-r--r--arch/microblaze/include/asm/fixmap.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/fixmap.h b/arch/microblaze/include/asm/fixmap.h
index dd89754f0a8d..f2b312e10b10 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
};