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    SubjectPowerpc - Include pagemap.h in asm/powerpc/tlb.h
    Powerpc - Include pagemap.h in asm/powerpc/tlb.h

    Fixes this powerpc build error in 2.6.22-rc6-mm1 for powerpc 64 :

    In file included from include2/asm/tlb.h:60,
    from /home/compudj/git/linux-2.6-lttng/arch/powerpc/mm/init_64.
    /home/compudj/git/linux-2.6-lttng/include/asm-generic/tlb.h: In function 'tlb_fl
    /home/compudj/git/linux-2.6-lttng/include/asm-generic/tlb.h:76: error: implicit
    declaration of function 'release_pages'
    /home/compudj/git/linux-2.6-lttng/include/asm-generic/tlb.h: In function 'tlb_re
    /home/compudj/git/linux-2.6-lttng/include/asm-generic/tlb.h:105: error: implicit
    declaration of function 'page_cache_release'
    make[2]: *** [arch/powerpc/mm/init_64.o] Error 1

    release_pages is declared in linux/pagemap.h, but cannot be included in
    linux/swap.h because of a sparc related comment:

    /* only sparc can not include linux/pagemap.h in this file
    * so leave page_cache_release and release_pages undeclared... */
    #define free_page_and_swap_cache(page) \
    #define free_pages_and_swap_cache(pages, nr) \
    release_pages((pages), (nr), 0);

    Signed-off-by: Mathieu Desnoyers <>
    CC: Paul Mackerras <>
    include/asm-powerpc/tlb.h | 2 ++
    1 file changed, 2 insertions(+)

    Index: linux-2.6-lttng/include/asm-powerpc/tlb.h
    --- linux-2.6-lttng.orig/include/asm-powerpc/tlb.h 2007-07-13 11:30:54.000000000 -0400
    +++ linux-2.6-lttng/include/asm-powerpc/tlb.h 2007-07-13 11:31:22.000000000 -0400
    @@ -23,6 +23,8 @@
    #include <asm/mmu.h>

    +#include <linux/pagemap.h>
    struct mmu_gather;

    #define tlb_start_vma(tlb, vma) do { } while (0)
    Mathieu Desnoyers
    Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
    OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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      Last update: 2007-07-14 03:23    [W:0.030 / U:0.496 seconds]
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