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-rw-r--r--mm/memblock.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/memblock.c b/mm/memblock.c
index 9ad39690a2b..ae8b06c828c 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -752,6 +752,12 @@ void __init memblock_analyze(void)
void __init memblock_init(void)
{
+ static int init_done __initdata = 0;
+
+ if (init_done)
+ return;
+ init_done = 1;
+
/* Hookup the initial arrays */
memblock.memory.regions = memblock_memory_init_regions;
memblock.memory.max = INIT_MEMBLOCK_REGIONS;