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Aneesh Kumar K.V
5491ae7b6f
Some archs like ppc64 need to do special things when flushing tlb for hugepage. Add a new helper to flush hugetlb tlb range. This helps us to avoid flushing the entire tlb mapping for the pid. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
45 lines
2.0 KiB
C
45 lines
2.0 KiB
C
#ifndef _ASM_POWERPC_TLBFLUSH_RADIX_H
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#define _ASM_POWERPC_TLBFLUSH_RADIX_H
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struct vm_area_struct;
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struct mm_struct;
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struct mmu_gather;
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static inline int mmu_get_ap(int psize)
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{
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return mmu_psize_defs[psize].ap;
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}
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extern void radix__flush_hugetlb_tlb_range(struct vm_area_struct *vma,
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unsigned long start, unsigned long end);
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extern void radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start,
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unsigned long end, int psize);
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extern void radix__flush_pmd_tlb_range(struct vm_area_struct *vma,
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unsigned long start, unsigned long end);
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extern void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
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unsigned long end);
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extern void radix__flush_tlb_kernel_range(unsigned long start, unsigned long end);
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extern void radix__local_flush_tlb_mm(struct mm_struct *mm);
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extern void radix__local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
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extern void radix__local_flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr);
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extern void radix__local_flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr,
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int psize);
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extern void radix__tlb_flush(struct mmu_gather *tlb);
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#ifdef CONFIG_SMP
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extern void radix__flush_tlb_mm(struct mm_struct *mm);
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extern void radix__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
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extern void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr);
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extern void radix__flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr,
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int psize);
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#else
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#define radix__flush_tlb_mm(mm) radix__local_flush_tlb_mm(mm)
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#define radix__flush_tlb_page(vma,addr) radix__local_flush_tlb_page(vma,addr)
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#define radix__flush_tlb_page_psize(mm,addr,p) radix__local_flush_tlb_page_psize(mm,addr,p)
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#define radix__flush_tlb_pwc(tlb, addr) radix__local_flush_tlb_pwc(tlb, addr)
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#endif
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extern void radix__flush_tlb_lpid_va(unsigned long lpid, unsigned long gpa,
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unsigned long page_size);
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extern void radix__flush_tlb_lpid(unsigned long lpid);
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#endif
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