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    Subject[PATCH 3.12 011/181] powerpc/mm: fix ".__node_distance" undefined
    Date
    From: Mike Qiu <qiudayu@linux.vnet.ibm.com>

    3.12-stable review patch. If anyone has any objections, please let me know.

    ===============

    commit 12c743eb2289bcaace32859d4919417ff5707768 upstream.

    CHK include/config/kernel.release
    CHK include/generated/uapi/linux/version.h
    CHK include/generated/utsrelease.h
    ...
    Building modules, stage 2.
    WARNING: 1 bad relocations
    c0000000013d6a30 R_PPC64_ADDR64 uprobes_fetch_type_table
    WRAP arch/powerpc/boot/zImage.pseries
    WRAP arch/powerpc/boot/zImage.epapr
    MODPOST 1849 modules
    ERROR: ".__node_distance" [drivers/block/nvme.ko] undefined!
    make[1]: *** [__modpost] Error 1
    make: *** [modules] Error 2
    make: *** Waiting for unfinished jobs....

    The reason is symbol "__node_distance" not been exported in powerpc.

    Signed-off-by: Mike Qiu <qiudayu@linux.vnet.ibm.com>
    Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Nathan Fontenot <nfont@linux.vnet.ibm.com>
    Cc: Stephen Rothwell <sfr@canb.auug.org.au>
    Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
    Cc: Jesse Larrew <jlarrew@linux.vnet.ibm.com>
    Cc: Robert Jennings <rcj@linux.vnet.ibm.com>
    Cc: Alistair Popple <alistair@popple.id.au>
    Cc: Mike Qiu <qiudayu@linux.vnet.ibm.com>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
    Signed-off-by: Jiri Slaby <jslaby@suse.cz>
    ---
    arch/powerpc/mm/numa.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
    index 4788ea2b343a..14c05547bd74 100644
    --- a/arch/powerpc/mm/numa.c
    +++ b/arch/powerpc/mm/numa.c
    @@ -232,6 +232,7 @@ int __node_distance(int a, int b)

    return distance;
    }
    +EXPORT_SYMBOL(__node_distance);

    static void initialize_distance_lookup_table(int nid,
    const __be32 *associativity)
    --
    2.0.0


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