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Diffstat (limited to 'include/asm-powerpc/pgtable.h')
-rw-r--r--include/asm-powerpc/pgtable.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-powerpc/pgtable.h b/include/asm-powerpc/pgtable.h
index 0303f57366c1..e38931379a72 100644
--- a/include/asm-powerpc/pgtable.h
+++ b/include/asm-powerpc/pgtable.h
@@ -1,5 +1,6 @@
#ifndef _ASM_POWERPC_PGTABLE_H
#define _ASM_POWERPC_PGTABLE_H
+#ifdef __KERNEL__
#ifndef CONFIG_PPC64
#include <asm-ppc/pgtable.h>
@@ -58,6 +59,17 @@ struct mm_struct;
#define IMALLOC_END (VMALLOC_START + PGTABLE_RANGE)
/*
+ * Region IDs
+ */
+#define REGION_SHIFT 60UL
+#define REGION_MASK (0xfUL << REGION_SHIFT)
+#define REGION_ID(ea) (((unsigned long)(ea)) >> REGION_SHIFT)
+
+#define VMALLOC_REGION_ID (REGION_ID(VMALLOC_START))
+#define KERNEL_REGION_ID (REGION_ID(PAGE_OFFSET))
+#define USER_REGION_ID (0UL)
+
+/*
* Common bits in a linux-style PTE. These match the bits in the
* (hardware-defined) PowerPC PTE as closely as possible. Additional
* bits may be defined in pgtable-*.h
@@ -521,4 +533,5 @@ void pgtable_cache_init(void);
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_PPC64 */
+#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_PGTABLE_H */