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Commit 4e76f4e6 authored Dec 22, 2010 by David Rientjes Committed by H. Peter Anvin Dec 23, 2010

x86, numa: Avoid compiling NUMA emulation functions without CONFIG_NUMA_EMU



Both acpi_get_nodes() and amd_get_nodes() are only necessary when
CONFIG_NUMA_EMU is enabled, so avoid compiling them when the option is
disabled.

Signed-off-by: David Rientjes <rientjes@google.com>
LKML-Reference: <alpine.DEB.2.00.1012221701210.3701@chino.kir.corp.google.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

parent 34dc9e74

arch/x86/include/asm/acpi.h

+4 −1

Original line number	Original line	Diff line number	Diff line
	@@ -188,14 +188,17 @@ extern int acpi_numa;
	extern int acpi_get_nodes(struct bootnode *physnodes);		extern int acpi_get_nodes(struct bootnode *physnodes);
	extern int acpi_scan_nodes(unsigned long start, unsigned long end);		extern int acpi_scan_nodes(unsigned long start, unsigned long end);
	#define NR_NODE_MEMBLKS (MAX_NUMNODES*2)		#define NR_NODE_MEMBLKS (MAX_NUMNODES*2)

			#ifdef CONFIG_NUMA_EMU
	extern void acpi_fake_nodes(const struct bootnode *fake_nodes,		extern void acpi_fake_nodes(const struct bootnode *fake_nodes,
	int num_nodes);		int num_nodes);
			#endif
	#else		#else
	static inline void acpi_fake_nodes(const struct bootnode *fake_nodes,		static inline void acpi_fake_nodes(const struct bootnode *fake_nodes,
	int num_nodes)		int num_nodes)
	{		{
	}		}
	#endif		#endif /* CONFIG_ACPI_NUMA */

	#define acpi_unlazy_tlb(x) leave_mm(x)		#define acpi_unlazy_tlb(x) leave_mm(x)

arch/x86/include/asm/amd_nb.h

+4 −1

Original line number	Original line	Diff line number	Diff line
	@@ -9,10 +9,13 @@ struct bootnode;
	extern int early_is_amd_nb(u32 value);		extern int early_is_amd_nb(u32 value);
	extern int amd_cache_northbridges(void);		extern int amd_cache_northbridges(void);
	extern void amd_flush_garts(void);		extern void amd_flush_garts(void);
	extern int amd_get_nodes(struct bootnode *nodes);
	extern int amd_numa_init(unsigned long start_pfn, unsigned long end_pfn);		extern int amd_numa_init(unsigned long start_pfn, unsigned long end_pfn);
	extern int amd_scan_nodes(void);		extern int amd_scan_nodes(void);

			#ifdef CONFIG_NUMA_EMU
			extern int amd_get_nodes(struct bootnode *nodes);
			#endif

	struct amd_northbridge {		struct amd_northbridge {
	struct pci_dev *misc;		struct pci_dev *misc;
	};		};

arch/x86/mm/amdtopology_64.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -69,6 +69,7 @@ static __init void early_get_boot_cpu_id(void)
	early_init_lapic_mapping();		early_init_lapic_mapping();
	}		}

			#ifdef CONFIG_NUMA_EMU
	int __init amd_get_nodes(struct bootnode *physnodes)		int __init amd_get_nodes(struct bootnode *physnodes)
	{		{
	int i;		int i;
	@@ -81,6 +82,7 @@ int __init amd_get_nodes(struct bootnode *physnodes)
	}		}
	return ret;		return ret;
	}		}
			#endif /* CONFIG_NUMA_EMU */

	int __init amd_numa_init(unsigned long start_pfn, unsigned long end_pfn)		int __init amd_numa_init(unsigned long start_pfn, unsigned long end_pfn)
	{		{

arch/x86/mm/srat_64.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -339,6 +339,7 @@ static int __init nodes_cover_memory(const struct bootnode *nodes)

	void __init acpi_numa_arch_fixup(void) {}		void __init acpi_numa_arch_fixup(void) {}

			#ifdef CONFIG_NUMA_EMU
	int __init acpi_get_nodes(struct bootnode *physnodes)		int __init acpi_get_nodes(struct bootnode *physnodes)
	{		{
	int i;		int i;
	@@ -351,6 +352,7 @@ int __init acpi_get_nodes(struct bootnode *physnodes)
	}		}
	return ret;		return ret;
	}		}
			#endif /* CONFIG_NUMA_EMU */

	/* Use the information discovered above to actually set up the nodes. */		/* Use the information discovered above to actually set up the nodes. */
	int __init acpi_scan_nodes(unsigned long start, unsigned long end)		int __init acpi_scan_nodes(unsigned long start, unsigned long end)

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