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    Subject[PATCH] markers: let marker_debug as module parameter

    if we want to enable marker debug output, we have to modify
    the code and remake/reinstall the kernel in current code.

    this patch enable marker_debug to be set when kernel start.

    Signed-off-by: Lai Jiangshan <>
    diff --git a/kernel/marker.c b/kernel/marker.c
    index 9f76c4a..5d8404f 100644
    --- a/kernel/marker.c
    +++ b/kernel/marker.c
    @@ -28,8 +28,9 @@
    extern struct marker __start___markers[];
    extern struct marker __stop___markers[];

    -/* Set to 1 to enable marker debug output */
    -static const int marker_debug;
    +static int marker_debug;
    +module_param(marker_debug, bool, 0);
    +MODULE_PARM_DESC(marker_debug, "Set to 1 to enable marker debug output");

    * markers_mutex nests inside module_mutex. Markers mutex protects the builtin

     \ /
      Last update: 2008-09-30 05:33    [W:0.018 / U:38.036 seconds]
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