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-rw-r--r--include/asm-ppc64/mmzone.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-ppc64/mmzone.h b/include/asm-ppc64/mmzone.h
index cbfc5ecfe87..ecc4b07507d 100644
--- a/include/asm-ppc64/mmzone.h
+++ b/include/asm-ppc64/mmzone.h
@@ -90,4 +90,9 @@ static inline int pa_to_nid(unsigned long pa)
#define discontigmem_pfn_valid(pfn) ((pfn) < num_physpages)
#endif /* CONFIG_DISCONTIGMEM */
+
+#ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
+#define early_pfn_to_nid(pfn) pa_to_nid(((unsigned long)pfn) << PAGE_SHIFT)
+#endif
+
#endif /* _ASM_MMZONE_H_ */