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forked fromtorvalds/linux

Commitc0c379e

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kiryltorvalds
authored andcommitted
mm: drop unused pmdp_huge_get_and_clear_notify()
Dave noticed that after fixing MADV_DONTNEED vs numa balancing race thelast 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.comSigned-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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‎include/linux/mmu_notifier.h‎

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Original file line numberDiff line numberDiff line change
@@ -394,18 +394,6 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm)
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___pud;\
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})
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#definepmdp_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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* 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
@@ -489,7 +477,6 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm)
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#defineptep_clear_flush_notify ptep_clear_flush
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#definepmdp_huge_clear_flush_notify pmdp_huge_clear_flush
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#definepudp_huge_clear_flush_notify pudp_huge_clear_flush
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#definepmdp_huge_get_and_clear_notify pmdp_huge_get_and_clear
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#defineset_pte_at_notify set_pte_at
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#endif/* CONFIG_MMU_NOTIFIER */

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