1 files changed, 55 insertions, 0 deletions

diff --git a/include/asm-mips/tlbflush.h b/include/asm-mips/tlbflush.h
new file mode 100644
index 000000000000..bb4ae3cdcbf1
--- /dev/null
+++ b/include/asm-mips/tlbflush.h
@@ -0,0 +1,55 @@
+#ifndef __ASM_TLBFLUSH_H
+#define __ASM_TLBFLUSH_H
+
+#include <linux/config.h>
+#include <linux/mm.h>
+
+/*
+ * TLB flushing:
+ *
+ *  - flush_tlb_all() flushes all processes TLB entries
+ *  - flush_tlb_mm(mm) flushes the specified mm context TLB entries
+ *  - flush_tlb_page(vma, vmaddr) flushes one page
+ *  - flush_tlb_range(vma, start, end) flushes a range of pages
+ *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
+ *  - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
+ */
+extern void local_flush_tlb_all(void);
+extern void local_flush_tlb_mm(struct mm_struct *mm);
+extern void local_flush_tlb_range(struct vm_area_struct *vma,
+        unsigned long start, unsigned long end);
+extern void local_flush_tlb_kernel_range(unsigned long start,
+        unsigned long end);
+extern void local_flush_tlb_page(struct vm_area_struct *vma,
+        unsigned long page);
+extern void local_flush_tlb_one(unsigned long vaddr);
+
+#ifdef CONFIG_SMP
+
+extern void flush_tlb_all(void);
+extern void flush_tlb_mm(struct mm_struct *);
+extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long,
+        unsigned long);
+extern void flush_tlb_kernel_range(unsigned long, unsigned long);
+extern void flush_tlb_page(struct vm_area_struct *, unsigned long);
+extern void flush_tlb_one(unsigned long vaddr);
+
+#else /* CONFIG_SMP */
+
+#define flush_tlb_all()                 local_flush_tlb_all()
+#define flush_tlb_mm(mm)                local_flush_tlb_mm(mm)
+#define flush_tlb_range(vma,vmaddr,end) local_flush_tlb_range(vma, vmaddr, end)
+#define flush_tlb_kernel_range(vmaddr,end) \
+        local_flush_tlb_kernel_range(vmaddr, end)
+#define flush_tlb_page(vma,page)        local_flush_tlb_page(vma, page)
+#define flush_tlb_one(vaddr)            local_flush_tlb_one(vaddr)
+
+#endif /* CONFIG_SMP */
+
+static inline void flush_tlb_pgtables(struct mm_struct *mm,
+        unsigned long start, unsigned long end)
+{
+        /* Nothing to do on MIPS.  */
+}
+
+#endif /* __ASM_TLBFLUSH_H */