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x86: check boundary in setup_node_bootmem()
Commit dc09855 ("x86/uv: fix init of memory-less nodes") causes a two sockets system (where node-1 doesn't have RAM installed) to crash. That commit makes node_possible include cpu nodes that do not have memory. So check boundary in setup_node_bootmem(). [ Impact: fix boot crash on RAM-less NUMA node system ] Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Jack Steiner <steiner@sgi.com> LKML-Reference: <49EF89DF.9090404@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -188,6 +188,9 @@ void __init setup_node_bootmem(int nodeid, unsigned long start,
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const int pgdat_size = roundup(sizeof(pg_data_t), PAGE_SIZE);
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int nid;
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if (!end)
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return;
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start = roundup(start, ZONE_ALIGN);
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printk(KERN_INFO "Bootmem setup node %d %016lx-%016lx\n", nodeid,
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