diff options
Diffstat (limited to 'include/asm-cris/tlbflush.h')
| -rw-r--r-- | include/asm-cris/tlbflush.h | 43 |
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 */ |