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    Subject[PATCH 03 of 36] x86: unify pte_present
    Date
    From
    Impact: cleanup

    Unify and demacro pte_present.

    Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
    ---
    arch/x86/include/asm/pgtable.h | 5 +++++
    arch/x86/include/asm/pgtable_32.h | 2 --
    arch/x86/include/asm/pgtable_64.h | 2 --
    3 files changed, 5 insertions(+), 4 deletions(-)

    diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
    --- a/arch/x86/include/asm/pgtable.h
    +++ b/arch/x86/include/asm/pgtable.h
    @@ -468,6 +468,11 @@
    return a.pte == b.pte;
    }

    +static inline int pte_present(pte_t a)
    +{
    + return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE);
    +}
    +
    #endif /* __ASSEMBLY__ */

    #ifdef CONFIG_X86_32
    diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
    --- a/arch/x86/include/asm/pgtable_32.h
    +++ b/arch/x86/include/asm/pgtable_32.h
    @@ -85,8 +85,6 @@
    /* The boot page tables (all created as a single array) */
    extern unsigned long pg0[];

    -#define pte_present(x) ((x).pte_low & (_PAGE_PRESENT | _PAGE_PROTNONE))
    -
    #ifdef CONFIG_KMEMCHECK
    #define pte_hidden(x) ((x).pte_low & (_PAGE_HIDDEN))
    #else
    diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
    --- a/arch/x86/include/asm/pgtable_64.h
    +++ b/arch/x86/include/asm/pgtable_64.h
    @@ -168,8 +168,6 @@
    return (pmd_val(pmd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;
    }

    -#define pte_present(x) (pte_val((x)) & (_PAGE_PRESENT | _PAGE_PROTNONE))
    -
    #ifdef CONFIG_KMEMCHECK
    #define pte_hidden(x) (pte_val((x)) & (_PAGE_HIDDEN))
    #else



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