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-rw-r--r--arch/sh/mm/init.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 506784702430..bf1b54055316 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -301,6 +301,7 @@ void __init paging_init(void)
*/
max_low_pfn = max_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT;
min_low_pfn = __MEMORY_START >> PAGE_SHIFT;
+ set_max_mapnr(max_low_pfn - min_low_pfn);
nodes_clear(node_online_map);