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memory hotplug: register section/node id to free
[linux-2.6-block.git]
/
include
/
linux
/
mmzone.h
diff --git
a/include/linux/mmzone.h
b/include/linux/mmzone.h
index c3828497f41d7a6960287d95398de19ddb566072..aad98003176f895ab9c361765109f981fe25be20 100644
(file)
--- a/
include/linux/mmzone.h
+++ b/
include/linux/mmzone.h
@@
-896,6
+896,7
@@
static inline struct mem_section *__nr_to_section(unsigned long nr)
return &mem_section[SECTION_NR_TO_ROOT(nr)][nr & SECTION_ROOT_MASK];
}
extern int __section_nr(struct mem_section* ms);
+extern unsigned long usemap_size(void);
/*
* We use the lower bits of the mem_map pointer to store