__free_pages
__free_pages(p, order);
__free_pages(p, order);
__free_pages(p, order);
__free_pages(sg_page(sg), get_order(sg->length));
__free_pages(sg_page(sg), get_order(sg->length));
void __free_pages(struct vm_page *, unsigned int);
__free_pages(page, 0);
__free_pages(page, order);
__free_pages(p, order);
__free_pages(p, 0);