From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/powerpc/include/asm/sparsemem.h | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 arch/powerpc/include/asm/sparsemem.h

(limited to 'arch/powerpc/include/asm/sparsemem.h')

diff --git a/arch/powerpc/include/asm/sparsemem.h b/arch/powerpc/include/asm/sparsemem.h
new file mode 100644
index 00000000..f6fc0ee8
--- /dev/null
+++ b/arch/powerpc/include/asm/sparsemem.h
@@ -0,0 +1,32 @@
+#ifndef _ASM_POWERPC_SPARSEMEM_H
+#define _ASM_POWERPC_SPARSEMEM_H 1
+#ifdef __KERNEL__
+
+#ifdef CONFIG_SPARSEMEM
+/*
+ * SECTION_SIZE_BITS		2^N: how big each section will be
+ * MAX_PHYSADDR_BITS		2^N: how much physical address space we have
+ * MAX_PHYSMEM_BITS		2^N: how much memory we can have in that space
+ */
+#define SECTION_SIZE_BITS       24
+
+#define MAX_PHYSADDR_BITS       46
+#define MAX_PHYSMEM_BITS        46
+
+#endif /* CONFIG_SPARSEMEM */
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+extern int create_section_mapping(unsigned long start, unsigned long end);
+extern int remove_section_mapping(unsigned long start, unsigned long end);
+#ifdef CONFIG_NUMA
+extern int hot_add_scn_to_nid(unsigned long scn_addr);
+#else
+static inline int hot_add_scn_to_nid(unsigned long scn_addr)
+{
+	return 0;
+}
+#endif /* CONFIG_NUMA */
+#endif /* CONFIG_MEMORY_HOTPLUG */
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_POWERPC_SPARSEMEM_H */
-- 
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