The pages of a buffer was originally pointing to the page struct, it
now points to the page address. The freeing of the page still uses
the page frame free "__free_page" instead of the correct free_page to
the address.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 static inline void free_buffer_page(struct buffer_page *bpage)
 {
        if (bpage->page)
-               __free_page(bpage->page);
+               free_page((unsigned long)bpage->page);
        kfree(bpage);
 }