include/xen/page.h

   1 #ifndef _XEN_PAGE_H
   2 #define _XEN_PAGE_H
   3
   4 #include <asm/xen/page.h>
   5
   6 static inline unsigned long xen_page_to_gfn(struct page *page)
   7 {
   8         return pfn_to_gfn(page_to_pfn(page));
   9 }
  10
  11 struct xen_memory_region {
  12         unsigned long start_pfn;
  13         unsigned long n_pfns;
  14 };
  15
  16 #define XEN_EXTRA_MEM_MAX_REGIONS 128 /* == E820MAX */
  17
  18 extern __initdata
  19 struct xen_memory_region xen_extra_mem[XEN_EXTRA_MEM_MAX_REGIONS];
  20
  21 extern unsigned long xen_released_pages;
  22
  23 #endif  /* _XEN_PAGE_H */