[PATCH] 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> Signed-off-by: Paul Mackerras <paulus@samba.org>
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@ -33,6 +33,9 @@ extern int numa_cpu_lookup_table[];
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extern char *numa_memory_lookup_table;
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extern cpumask_t numa_cpumask_lookup_table[];
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extern int nr_cpus_in_node[];
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#ifdef CONFIG_MEMORY_HOTPLUG
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extern unsigned long max_pfn;
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#endif
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/* 16MB regions */
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#define MEMORY_INCREMENT_SHIFT 24
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@ -45,6 +48,11 @@ static inline int pa_to_nid(unsigned long pa)
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{
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int nid;
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#ifdef CONFIG_MEMORY_HOTPLUG
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/* kludge hot added sections default to node 0 */
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if (pa >= (max_pfn << PAGE_SHIFT))
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return 0;
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#endif
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nid = numa_memory_lookup_table[pa >> MEMORY_INCREMENT_SHIFT];
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#ifdef DEBUG_NUMA
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