Initial import

1 files changed, 51 insertions, 0 deletions

diff --git a/arch/sh/include/asm/tlbflush.h b/arch/sh/include/asm/tlbflush.h
new file mode 100644
index 000000000..0df66f0c7
--- /dev/null
+++ b/arch/sh/include/asm/tlbflush.h
@@ -0,0 +1,51 @@
+#ifndef __ASM_SH_TLBFLUSH_H
+#define __ASM_SH_TLBFLUSH_H
+
+/*
+ * TLB flushing:
+ *
+ *  - 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(vma, start, end) flushes a range of pages
+ *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
+ */
+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_page(struct vm_area_struct *vma,
+				 unsigned long page);
+extern void local_flush_tlb_kernel_range(unsigned long start,
+					 unsigned long end);
+extern void local_flush_tlb_one(unsigned long asid, unsigned long page);
+
+extern void __flush_tlb_global(void);
+
+#ifdef CONFIG_SMP
+
+extern void flush_tlb_all(void);
+extern void flush_tlb_mm(struct mm_struct *mm);
+extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
+			    unsigned long end);
+extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
+extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
+extern void flush_tlb_one(unsigned long asid, unsigned long page);
+
+#else
+
+#define flush_tlb_all()			local_flush_tlb_all()
+#define flush_tlb_mm(mm)		local_flush_tlb_mm(mm)
+#define flush_tlb_page(vma, page)	local_flush_tlb_page(vma, page)
+#define flush_tlb_one(asid, page)	local_flush_tlb_one(asid, page)
+
+#define flush_tlb_range(vma, start, end)	\
+	local_flush_tlb_range(vma, start, end)
+
+#define flush_tlb_kernel_range(start, end)	\
+	local_flush_tlb_kernel_range(start, end)
+
+#endif /* CONFIG_SMP */
+
+#endif /* __ASM_SH_TLBFLUSH_H */