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    Subject[PATCH v10 03/22] arm: mm: Add p?d_leaf() definitions
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    walk_page_range() is going to be allowed to walk page tables other than
    those of user space. For this it needs to know when it has reached a
    'leaf' entry in the page tables. This information is provided by the
    p?d_leaf() functions/macros.

    For arm pmd_large() already exists and does what we want. So simply
    provide the generic pmd_leaf() name.

    CC: Russell King <linux@armlinux.org.uk>
    CC: linux-arm-kernel@lists.infradead.org
    Signed-off-by: Steven Price <steven.price@arm.com>
    ---
    arch/arm/include/asm/pgtable-2level.h | 1 +
    arch/arm/include/asm/pgtable-3level.h | 1 +
    2 files changed, 2 insertions(+)

    diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h
    index 51beec41d48c..0d3ea35c97fe 100644
    --- a/arch/arm/include/asm/pgtable-2level.h
    +++ b/arch/arm/include/asm/pgtable-2level.h
    @@ -189,6 +189,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
    }

    #define pmd_large(pmd) (pmd_val(pmd) & 2)
    +#define pmd_leaf(pmd) (pmd_val(pmd) & 2)
    #define pmd_bad(pmd) (pmd_val(pmd) & 2)
    #define pmd_present(pmd) (pmd_val(pmd))

    diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
    index 5b18295021a0..ad55ab068dbf 100644
    --- a/arch/arm/include/asm/pgtable-3level.h
    +++ b/arch/arm/include/asm/pgtable-3level.h
    @@ -134,6 +134,7 @@
    #define pmd_sect(pmd) ((pmd_val(pmd) & PMD_TYPE_MASK) == \
    PMD_TYPE_SECT)
    #define pmd_large(pmd) pmd_sect(pmd)
    +#define pmd_leaf(pmd) pmd_sect(pmd)

    #define pud_clear(pudp) \
    do { \
    --
    2.20.1
    \
     
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