put_page(page);
}
mm->rss -= (end - start) >> PAGE_SHIFT;
ub_unused_privvm_inc(mm_ub(mm), (end - start) >> PAGE_SIFT, vma);
ub_unused_privvm_inc(mm_ub(mm), (end - start) >> PAGE_SHIFT, vma);
flush_tlb_range(vma, start, end);
