mm,thp: fix spellos in describing __HAVE_ARCH_FLUSH_PMD_TLB_RANGE
[akpm@linux-foundation.org: s/threshhold/threshold/] Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -90,9 +90,9 @@ pte_t ptep_clear_flush(struct vm_area_struct *vma, unsigned long address,
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* ARCHes with special requirements for evicting THP backing TLB entries can
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* implement this. Otherwise also, it can help optimize normal TLB flush in
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* THP regime. stock flush_tlb_range() typically has optimization to nuke the
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* entire TLB TLB if flush span is greater than a threshhold, which will
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* entire TLB if flush span is greater than a threshold, which will
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* likely be true for a single huge page. Thus a single thp flush will
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* invalidate the entire TLB which is not desitable.
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* invalidate the entire TLB which is not desirable.
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* e.g. see arch/arc: flush_pmd_tlb_range
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*/
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#define flush_pmd_tlb_range(vma, addr, end) flush_tlb_range(vma, addr, end)
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