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-rw-r--r--arch/mips/mm/init.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 1aadeb42c5a5..11689e1a2924 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -368,7 +368,7 @@ void __init mem_init(void)
#ifdef CONFIG_DISCONTIGMEM
#error "CONFIG_HIGHMEM and CONFIG_DISCONTIGMEM dont work together yet"
#endif
- max_mapnr = highend_pfn;
+ max_mapnr = highend_pfn ? highend_pfn : max_low_pfn;
#else
max_mapnr = max_low_pfn;
#endif