x86, numa: Reduce minimum fake node size to 32M
This patch changes the minimum fake node size from 64MB to 32MB so it is possible to test NUMA code at a greater scale on smaller machines (64 nodes on a 2G machine, 1024 nodes on 32G machine with CONFIG_NODES_SHIFT=10). Signed-off-by: David Rientjes <rientjes@google.com> LKML-Reference: <alpine.DEB.2.00.1012221700590.3701@chino.kir.corp.google.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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@ -38,7 +38,7 @@ extern void __cpuinit numa_add_cpu(int cpu);
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extern void __cpuinit numa_remove_cpu(int cpu);
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#ifdef CONFIG_NUMA_EMU
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#define FAKE_NODE_MIN_SIZE ((u64)64 << 20)
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#define FAKE_NODE_MIN_SIZE ((u64)32 << 20)
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#define FAKE_NODE_MIN_HASH_MASK (~(FAKE_NODE_MIN_SIZE - 1UL))
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#endif /* CONFIG_NUMA_EMU */
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#else
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