mm: drop unused pmdp_huge_get_and_clear_notify()
Dave noticed that after fixing MADV_DONTNEED vs numa balancing race the last pmdp_huge_get_and_clear_notify() user is gone. Let's drop the helper. Link: http://lkml.kernel.org/r/20170306112047.24809-1-kirill.shutemov@linux.intel.com Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -394,18 +394,6 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm)
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___pud; \
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___pud; \
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})
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})
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#define pmdp_huge_get_and_clear_notify(__mm, __haddr, __pmd) \
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({ \
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unsigned long ___haddr = __haddr & HPAGE_PMD_MASK; \
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pmd_t ___pmd; \
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\
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___pmd = pmdp_huge_get_and_clear(__mm, __haddr, __pmd); \
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mmu_notifier_invalidate_range(__mm, ___haddr, \
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___haddr + HPAGE_PMD_SIZE); \
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\
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___pmd; \
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})
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/*
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/*
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* set_pte_at_notify() sets the pte _after_ running the notifier.
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* set_pte_at_notify() sets the pte _after_ running the notifier.
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* This is safe to start by updating the secondary MMUs, because the primary MMU
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* This is safe to start by updating the secondary MMUs, because the primary MMU
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@ -489,7 +477,6 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm)
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#define ptep_clear_flush_notify ptep_clear_flush
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#define ptep_clear_flush_notify ptep_clear_flush
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#define pmdp_huge_clear_flush_notify pmdp_huge_clear_flush
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#define pmdp_huge_clear_flush_notify pmdp_huge_clear_flush
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#define pudp_huge_clear_flush_notify pudp_huge_clear_flush
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#define pudp_huge_clear_flush_notify pudp_huge_clear_flush
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#define pmdp_huge_get_and_clear_notify pmdp_huge_get_and_clear
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#define set_pte_at_notify set_pte_at
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#define set_pte_at_notify set_pte_at
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#endif /* CONFIG_MMU_NOTIFIER */
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#endif /* CONFIG_MMU_NOTIFIER */
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