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Lines 257-277
static inline int __ptep_test_and_clear_young(struct mm_struct *mm,
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static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, |
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static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, |
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pte_t *ptep) |
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pte_t *ptep) |
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{ |
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{ |
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unsigned long old; |
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if ((pte_val(*ptep) & _PAGE_RW) == 0) |
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if ((pte_val(*ptep) & _PAGE_RW) == 0) |
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return; |
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return; |
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old = pte_update(mm, addr, ptep, _PAGE_RW, 0); |
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pte_update(mm, addr, ptep, _PAGE_RW, 0); |
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} |
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} |
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static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, |
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static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, |
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unsigned long addr, pte_t *ptep) |
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unsigned long addr, pte_t *ptep) |
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{ |
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{ |
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unsigned long old; |
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if ((pte_val(*ptep) & _PAGE_RW) == 0) |
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if ((pte_val(*ptep) & _PAGE_RW) == 0) |
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return; |
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return; |
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old = pte_update(mm, addr, ptep, _PAGE_RW, 1); |
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pte_update(mm, addr, ptep, _PAGE_RW, 1); |
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} |
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} |
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/* |
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/* |
