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>
diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h
index 6aee50d..9c16cde 100644
--- a/arch/x86/include/asm/amd_nb.h
+++ b/arch/x86/include/asm/amd_nb.h
@@ -9,10 +9,13 @@
extern int early_is_amd_nb(u32 value);
extern int amd_cache_northbridges(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_scan_nodes(void);
+#ifdef CONFIG_NUMA_EMU
+extern int amd_get_nodes(struct bootnode *nodes);
+#endif
+
struct amd_northbridge {
struct pci_dev *misc;
};