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authorLinus Torvalds <torvalds@linux-foundation.org>2008-11-01 09:51:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-11-01 09:51:51 -0700
commit0242909a6135e10a28822c64f9ad50fdad52757c (patch)
treec5f9c8abe95a65433e6ac356871f2379c02488fe /arch/cris/include/asm/tlbflush.h
parent0a6d2fac615972142715d736289abeeb7382e81d (diff)
parent556dcee7b829e5c350c3ffdbdb87a8b15aa3c5d3 (diff)
Merge branch 'cris_move' of git://www.jni.nu/cris
* 'cris_move' of git://www.jni.nu/cris: [CRIS] Move header files from include to arch/cris/include. [CRISv32] Remove warning in io.h
Diffstat (limited to 'arch/cris/include/asm/tlbflush.h')
-rw-r--r--arch/cris/include/asm/tlbflush.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/cris/include/asm/tlbflush.h b/arch/cris/include/asm/tlbflush.h
new file mode 100644
index 00000000000..20697e7ef4f
--- /dev/null
+++ b/arch/cris/include/asm/tlbflush.h
@@ -0,0 +1,48 @@
+#ifndef _CRIS_TLBFLUSH_H
+#define _CRIS_TLBFLUSH_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);
+
+#ifdef CONFIG_SMP
+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);
+#else
+#define flush_tlb_all __flush_tlb_all
+#define flush_tlb_mm __flush_tlb_mm
+#define flush_tlb_page __flush_tlb_page
+#endif
+
+static inline void flush_tlb_range(struct vm_area_struct * vma, unsigned long start, unsigned long end)
+{
+ flush_tlb_mm(vma->vm_mm);
+}
+
+static inline void flush_tlb(void)
+{
+ flush_tlb_mm(current->mm);
+}
+
+#define flush_tlb_kernel_range(start, end) flush_tlb_all()
+
+#endif /* _CRIS_TLBFLUSH_H */