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    Subject[PATCH 32 of 36] x86: unify pgd_none
    Date
    From
    Impact: cleanup

    Unify and demacro pgd_none.

    Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

    ---
    arch/x86/include/asm/pgtable.h | 5 +++++
    arch/x86/include/asm/pgtable_64.h | 2 --
    2 files changed, 5 insertions(+), 2 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
    @@ -637,6 +637,11 @@
    {
    return (pgd_val(pgd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;
    }
    +
    +static inline int pgd_none(pgd_t pgd)
    +{
    + return !pgd_val(pgd);
    +}
    #endif /* PAGETABLE_LEVELS > 3 */

    #endif /* __ASSEMBLY__ */
    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
    @@ -66,8 +66,6 @@
    printk("%s:%d: bad pgd %p(%016lx).\n", \
    __FILE__, __LINE__, &(e), pgd_val(e))

    -#define pgd_none(x) (!pgd_val(x))
    -
    struct mm_struct;

    void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte);



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