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    Subject[PATCH 3/4] Memory Add Fixes for ppc64
    This is a temporary kludge that supports adding all new memory to
    node 0. I will provide a more complete solution similar to that
    used for dynamically added CPUs in a few days.

    Signed-off-by: Mike Kravetz <kravetz@us.ibm.com>

    diff -Naupr linux-2.6.14-git7/include/asm-ppc64/mmzone.h linux-2.6.14-git7.work/include/asm-ppc64/mmzone.h
    --- linux-2.6.14-git7/include/asm-ppc64/mmzone.h 2005-11-04 21:21:09.000000000 +0000
    +++ linux-2.6.14-git7.work/include/asm-ppc64/mmzone.h 2005-11-04 22:10:44.000000000 +0000
    @@ -33,6 +33,9 @@ extern int numa_cpu_lookup_table[];
    extern char *numa_memory_lookup_table;
    extern cpumask_t numa_cpumask_lookup_table[];
    extern int nr_cpus_in_node[];
    +#ifdef CONFIG_MEMORY_HOTPLUG
    +extern unsigned long max_pfn;
    +#endif

    /* 16MB regions */
    #define MEMORY_INCREMENT_SHIFT 24
    @@ -45,6 +48,11 @@ static inline int pa_to_nid(unsigned lon
    {
    int nid;

    +#ifdef CONFIG_MEMORY_HOTPLUG
    + /* kludge hot added sections default to node 0 */
    + if (pa >= (max_pfn << PAGE_SHIFT))
    + return 0;
    +#endif
    nid = numa_memory_lookup_table[pa >> MEMORY_INCREMENT_SHIFT];

    #ifdef DEBUG_NUMA
    -
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