kernel: add common infrastructure for unaligned access

[linux-2.6] / 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