1 files changed, 43 insertions, 0 deletions

diff --git a/include/asm-cris/tlbflush.h b/include/asm-cris/tlbflush.h
new file mode 100644
index 000000000000..1781fe1a32f6
--- /dev/null
+++ b/include/asm-cris/tlbflush.h
@@ -0,0 +1,43 @@
+#ifndef _CRIS_TLBFLUSH_H
+#define _CRIS_TLBFLUSH_H
+
+#include <linux/config.h>
+#include <linux/mm.h>
+#include <asm/processor.h>
+#include <asm/pgtable.h>
+#include <asm/pgalloc.h>
+
+/*
+ * TLB flushing (implemented in arch/cris/mm/tlb.c):
+ *
+ *  - flush_tlb() flushes the current mm struct TLBs
+ *  - flush_tlb_all() flushes all processes TLBs
+ *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
+ *  - flush_tlb_page(vma, vmaddr) flushes one page
+ *  - flush_tlb_range(mm, start, end) flushes a range of pages
+ *
+ */
+
+extern void flush_tlb_all(void);
+extern void flush_tlb_mm(struct mm_struct *mm);
+extern void flush_tlb_page(struct vm_area_struct *vma, 
+                           unsigned long addr);
+extern void flush_tlb_range(struct vm_area_struct *vma,
+                            unsigned long start,
+                            unsigned long end);
+
+extern inline void flush_tlb_pgtables(struct mm_struct *mm,
+                                      unsigned long start, unsigned long end)
+{
+        /* CRIS does not keep any page table caches in TLB */
+}
+
+
+extern inline void flush_tlb(void) 
+{
+        flush_tlb_mm(current->mm);
+}
+
+#define flush_tlb_kernel_range(start, end) flush_tlb_all()
+
+#endif /* _CRIS_TLBFLUSH_H */