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-rw-r--r--mm/sparse.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/sparse.c b/mm/sparse.c
index b25ad8e64839..7bd23f9d6cef 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -312,6 +312,7 @@ static unsigned long sparse_encode_mem_map(struct page *mem_map, unsigned long p
return coded_mem_map;
}
+#ifdef CONFIG_MEMORY_HOTPLUG
/*
* Decode mem_map from the coded memmap
*/
@@ -321,6 +322,7 @@ struct page *sparse_decode_mem_map(unsigned long coded_mem_map, unsigned long pn
coded_mem_map &= SECTION_MAP_MASK;
return ((struct page *)coded_mem_map) + section_nr_to_pfn(pnum);
}
+#endif /* CONFIG_MEMORY_HOTPLUG */
static void __meminit sparse_init_one_section(struct mem_section *ms,
unsigned long pnum, struct page *mem_map,