bio = get_swap_bio(GFP_KERNEL, page->private, page, end_swap_bio_read); 
bio = get_swap_bio(GFP_KERNEL, page_private(page), page, end_swap_bio_read); 
int swap_readpage(struct file *file, struct page *page){	struct bio *bio;	int ret = 0;	BUG_ON(!PageLocked(page));	ClearPageUptodate(page);	bio = get_swap_bio(GFP_KERNEL, page->private, page, end_swap_bio_read);	if (bio == NULL) {		unlock_page(page);		ret = -ENOMEM;		goto out;	}	inc_page_state(pswpin);	submit_bio(READ, bio);out:	return ret;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/4c21e2f2441dc5fbb957b030333f5a3f2d02dea7/page_io.c/buggy/mm/page_io.c