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--- a/arch/x86/mm/init_32.c	2017-07-06 16:37:46.000000000 -0700
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+++ b/arch/x86/mm/init_32.c	2017-08-06 06:29:29.459776079 -0700
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@@ -845,7 +845,7 @@
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 }
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 #ifdef CONFIG_MEMORY_HOTPLUG
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-int arch_add_memory(int nid, u64 start, u64 size)
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+int arch_add_memory(int nid, u64 start, u64 size, bool for_device)
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 {
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 	struct pglist_data *pgdata = NODE_DATA(nid);
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 	struct zone *zone = pgdata->node_zones + ZONE_HIGHMEM;