extern unsigned long num_physpages;
extern void * high_memory;
+extern unsigned long vmalloc_earlyreserve;
extern int page_cluster;
#include <asm/page.h>
extern struct vm_area_struct *find_extend_vma(struct mm_struct *mm, unsigned long addr);
-extern unsigned int nr_used_zone_pages(void);
-
extern struct page * vmalloc_to_page(void *addr);
extern struct page * follow_page(struct mm_struct *mm, unsigned long address,
int write);