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-rw-r--r--include/linux/memory_hotplug.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index ea9f5ad9ec8e..3628e5088f64 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -13,12 +13,12 @@ struct mem_section;
#ifdef CONFIG_MEMORY_HOTPLUG
/*
- * Magic number for free bootmem.
+ * Types for free bootmem.
* The normal smallest mapcount is -1. Here is smaller value than it.
*/
-#define SECTION_INFO 0xfffffffe
-#define MIX_INFO 0xfffffffd
-#define NODE_INFO 0xfffffffc
+#define SECTION_INFO (-1 - 1)
+#define MIX_SECTION_INFO (-1 - 2)
+#define NODE_INFO (-1 - 3)
/*
* pgdat resizing functions