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    Subject[PATCH 7/8] page-types: introduce kpageflags_flags()
    CC: Andi Kleen <andi@firstfloor.org> 
    Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
    ---
    Documentation/vm/page-types.c | 15 +++++++++++----
    1 file changed, 11 insertions(+), 4 deletions(-)

    --- linux-mm.orig/Documentation/vm/page-types.c 2009-09-16 17:54:06.000000000 +0800
    +++ linux-mm/Documentation/vm/page-types.c 2009-09-16 17:54:35.000000000 +0800
    @@ -436,6 +436,16 @@ static uint64_t well_known_flags(uint64_
    return flags;
    }

    +static uint64_t kpageflags_flags(uint64_t flags)
    +{
    + flags = expand_overloaded_flags(flags);
    +
    + if (!opt_raw)
    + flags = well_known_flags(flags);
    +
    + return flags;
    +}
    +
    /*
    * page frame walker
    */
    @@ -470,10 +480,7 @@ static int hash_slot(uint64_t flags)
    static void add_page(unsigned long voffset,
    unsigned long offset, uint64_t flags)
    {
    - flags = expand_overloaded_flags(flags);
    -
    - if (!opt_raw)
    - flags = well_known_flags(flags);
    + flags = kpageflags_flags(flags);

    if (!bit_mask_ok(flags))
    return;
    --



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