MISALIGNED_BUFFER_ORDER
bufs[cpu] = alloc_pages(GFP_KERNEL, MISALIGNED_BUFFER_ORDER);
__free_pages(bufs[cpu], MISALIGNED_BUFFER_ORDER);
buf = alloc_pages(GFP_KERNEL, MISALIGNED_BUFFER_ORDER);
__free_pages(buf, MISALIGNED_BUFFER_ORDER);
page = alloc_pages(GFP_KERNEL, MISALIGNED_BUFFER_ORDER);
__free_pages(page, MISALIGNED_BUFFER_ORDER);