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    Subject[PATCH -mm 11/24] pageflag helpers for configed-out flags
    From: Lee Schermerhorn <lee.schermerhorn@hp.com>

    Define proper false/noop inline functions for noreclaim page
    flags when !defined(CONFIG_NORECLAIM_LRU)

    Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
    Signed-off-by: Rik van Riel <riel@redhat.com>

    ---
    include/linux/page-flags.h | 12 ++++++++++++
    1 file changed, 12 insertions(+)

    Index: linux-2.6.26-rc5-mm2/include/linux/page-flags.h
    ===================================================================
    --- linux-2.6.26-rc5-mm2.orig/include/linux/page-flags.h 2008-06-10 13:34:48.000000000 -0400
    +++ linux-2.6.26-rc5-mm2/include/linux/page-flags.h 2008-06-10 13:44:55.000000000 -0400
    @@ -162,6 +162,18 @@ static inline int Page##uname(struct pag
    #define TESTSCFLAG(uname, lname) \
    TESTSETFLAG(uname, lname) TESTCLEARFLAG(uname, lname)

    +#define SETPAGEFLAG_NOOP(uname) \
    +static inline void SetPage##uname(struct page *page) { }
    +
    +#define CLEARPAGEFLAG_NOOP(uname) \
    +static inline void ClearPage##uname(struct page *page) { }
    +
    +#define __CLEARPAGEFLAG_NOOP(uname) \
    +static inline void __ClearPage##uname(struct page *page) { }
    +
    +#define TESTCLEARFLAG_FALSE(uname) \
    +static inline int TestClearPage##uname(struct page *page) { return 0; }
    +
    struct page; /* forward declaration */

    PAGEFLAG(Locked, locked) TESTSCFLAG(Locked, locked)
    --
    All Rights Reversed



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