588 	struct task_struct *thr;                  /* thread */  member
611 			d->thr = NULL;  in crc32_threadfn()
630 	struct task_struct *thr;                  /* thread */  member
654 			d->thr = NULL;  in lzo_compress_threadfn()
689 	unsigned thr, run_threads, nr_threads;  in save_image_lzo()  local
727 	for (thr = 0; thr < nr_threads; thr++) {  in save_image_lzo()
728 		init_waitqueue_head(&data[thr].go);  in save_image_lzo()
729 		init_waitqueue_head(&data[thr].done);  in save_image_lzo()
731 		data[thr].thr = kthread_run(lzo_compress_threadfn,  in save_image_lzo()
732 		                            &data[thr],  in save_image_lzo()
733 		                            "image_compress/%u", thr);  in save_image_lzo()
734 		if (IS_ERR(data[thr].thr)) {  in save_image_lzo()
735 			data[thr].thr = NULL;  in save_image_lzo()
750 	for (thr = 0; thr < nr_threads; thr++) {  in save_image_lzo()
751 		crc->unc[thr] = data[thr].unc;  in save_image_lzo()
752 		crc->unc_len[thr] = &data[thr].unc_len;  in save_image_lzo()
755 	crc->thr = kthread_run(crc32_threadfn, crc, "image_crc32");  in save_image_lzo()
756 	if (IS_ERR(crc->thr)) {  in save_image_lzo()
757 		crc->thr = NULL;  in save_image_lzo()
778 		for (thr = 0; thr < nr_threads; thr++) {  in save_image_lzo()
787 				memcpy(data[thr].unc + off,  in save_image_lzo()
798 			data[thr].unc_len = off;  in save_image_lzo()
800 			atomic_set(&data[thr].ready, 1);  in save_image_lzo()
801 			wake_up(&data[thr].go);  in save_image_lzo()
804 		if (!thr)  in save_image_lzo()
807 		crc->run_threads = thr;  in save_image_lzo()
811 		for (run_threads = thr, thr = 0; thr < run_threads; thr++) {  in save_image_lzo()
812 			wait_event(data[thr].done,  in save_image_lzo()
813 			           atomic_read(&data[thr].stop));  in save_image_lzo()
814 			atomic_set(&data[thr].stop, 0);  in save_image_lzo()
816 			ret = data[thr].ret;  in save_image_lzo()
823 			if (unlikely(!data[thr].cmp_len ||  in save_image_lzo()
824 			             data[thr].cmp_len >  in save_image_lzo()
825 			             lzo1x_worst_compress(data[thr].unc_len))) {  in save_image_lzo()
831 			*(size_t *)data[thr].cmp = data[thr].cmp_len;  in save_image_lzo()
842 			     off < LZO_HEADER + data[thr].cmp_len;  in save_image_lzo()
844 				memcpy(page, data[thr].cmp + off, PAGE_SIZE);  in save_image_lzo()
867 		if (crc->thr)  in save_image_lzo()
868 			kthread_stop(crc->thr);  in save_image_lzo()
872 		for (thr = 0; thr < nr_threads; thr++)  in save_image_lzo()
873 			if (data[thr].thr)  in save_image_lzo()
874 				kthread_stop(data[thr].thr);  in save_image_lzo()
1114 	struct task_struct *thr;                  /* thread */  member
1137 			d->thr = NULL;  in lzo_decompress_threadfn()
1176 	unsigned i, thr, run_threads, nr_threads;  in load_image_lzo()  local
1219 	for (thr = 0; thr < nr_threads; thr++) {  in load_image_lzo()
1220 		init_waitqueue_head(&data[thr].go);  in load_image_lzo()
1221 		init_waitqueue_head(&data[thr].done);  in load_image_lzo()
1223 		data[thr].thr = kthread_run(lzo_decompress_threadfn,  in load_image_lzo()
1224 		                            &data[thr],  in load_image_lzo()
1225 		                            "image_decompress/%u", thr);  in load_image_lzo()
1226 		if (IS_ERR(data[thr].thr)) {  in load_image_lzo()
1227 			data[thr].thr = NULL;  in load_image_lzo()
1242 	for (thr = 0; thr < nr_threads; thr++) {  in load_image_lzo()
1243 		crc->unc[thr] = data[thr].unc;  in load_image_lzo()
1244 		crc->unc_len[thr] = &data[thr].unc_len;  in load_image_lzo()
1247 	crc->thr = kthread_run(crc32_threadfn, crc, "image_crc32");  in load_image_lzo()
1248 	if (IS_ERR(crc->thr)) {  in load_image_lzo()
1249 		crc->thr = NULL;  in load_image_lzo()
1342 		for (thr = 0; have && thr < nr_threads; thr++) {  in load_image_lzo()
1343 			data[thr].cmp_len = *(size_t *)page[pg];  in load_image_lzo()
1344 			if (unlikely(!data[thr].cmp_len ||  in load_image_lzo()
1345 			             data[thr].cmp_len >  in load_image_lzo()
1352 			need = DIV_ROUND_UP(data[thr].cmp_len + LZO_HEADER,  in load_image_lzo()
1363 			     off < LZO_HEADER + data[thr].cmp_len;  in load_image_lzo()
1365 				memcpy(data[thr].cmp + off,  in load_image_lzo()
1373 			atomic_set(&data[thr].ready, 1);  in load_image_lzo()
1374 			wake_up(&data[thr].go);  in load_image_lzo()
1390 		for (run_threads = thr, thr = 0; thr < run_threads; thr++) {  in load_image_lzo()
1391 			wait_event(data[thr].done,  in load_image_lzo()
1392 			           atomic_read(&data[thr].stop));  in load_image_lzo()
1393 			atomic_set(&data[thr].stop, 0);  in load_image_lzo()
1395 			ret = data[thr].ret;  in load_image_lzo()
1402 			if (unlikely(!data[thr].unc_len ||  in load_image_lzo()
1403 			             data[thr].unc_len > LZO_UNC_SIZE ||  in load_image_lzo()
1404 			             data[thr].unc_len & (PAGE_SIZE - 1))) {  in load_image_lzo()
1411 			     off < data[thr].unc_len; off += PAGE_SIZE) {  in load_image_lzo()
1413 				       data[thr].unc + off, PAGE_SIZE);  in load_image_lzo()
1422 					crc->run_threads = thr + 1;  in load_image_lzo()
1430 		crc->run_threads = thr;  in load_image_lzo()
1461 		if (crc->thr)  in load_image_lzo()
1462 			kthread_stop(crc->thr);  in load_image_lzo()
1466 		for (thr = 0; thr < nr_threads; thr++)  in load_image_lzo()
1467 			if (data[thr].thr)  in load_image_lzo()
1468 				kthread_stop(data[thr].thr);  in load_image_lzo()