diff options
Diffstat (limited to 'arch/cris/include/asm/tlbflush.h')
-rw-r--r-- | arch/cris/include/asm/tlbflush.h | 48 |
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 */ |