Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

#ifndef _OR32_TLBFLUSH_H

#define _OR32_TLBFLUSH_H

#include <linux/mm.h>

#include <asm/processor.h>

#include <asm/pgtable.h>

#include <asm/pgalloc.h>

#include <asm/current.h>

#include <linux/sched.h>

/*

 * TLB flushing (implemented in arch/or32/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)

{

        /* OR32 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 /* _OR32_TLBFLUSH_H */