610 static int crc32_threadfn(void *data)  in crc32_threadfn()  argument
612 	struct crc_data *d = data;  in crc32_threadfn()
654 static int lzo_compress_threadfn(void *data)  in lzo_compress_threadfn()  argument
656 	struct cmp_data *d = data;  in lzo_compress_threadfn()
699 	struct cmp_data *data = NULL;  in save_image_lzo()  local
718 	data = vzalloc(array_size(nr_threads, sizeof(*data)));  in save_image_lzo()
719 	if (!data) {  in save_image_lzo()
736 		init_waitqueue_head(&data[thr].go);  in save_image_lzo()
737 		init_waitqueue_head(&data[thr].done);  in save_image_lzo()
739 		data[thr].thr = kthread_run(lzo_compress_threadfn,  in save_image_lzo()
740 		                            &data[thr],  in save_image_lzo()
742 		if (IS_ERR(data[thr].thr)) {  in save_image_lzo()
743 			data[thr].thr = NULL;  in save_image_lzo()
759 		crc->unc[thr] = data[thr].unc;  in save_image_lzo()
760 		crc->unc_len[thr] = &data[thr].unc_len;  in save_image_lzo()
795 				memcpy(data[thr].unc + off,  in save_image_lzo()
806 			data[thr].unc_len = off;  in save_image_lzo()
808 			atomic_set_release(&data[thr].ready, 1);  in save_image_lzo()
809 			wake_up(&data[thr].go);  in save_image_lzo()
820 			wait_event(data[thr].done,  in save_image_lzo()
821 				atomic_read_acquire(&data[thr].stop));  in save_image_lzo()
822 			atomic_set(&data[thr].stop, 0);  in save_image_lzo()
824 			ret = data[thr].ret;  in save_image_lzo()
831 			if (unlikely(!data[thr].cmp_len ||  in save_image_lzo()
832 			             data[thr].cmp_len >  in save_image_lzo()
833 			             lzo1x_worst_compress(data[thr].unc_len))) {  in save_image_lzo()
839 			*(size_t *)data[thr].cmp = data[thr].cmp_len;  in save_image_lzo()
850 			     off < LZO_HEADER + data[thr].cmp_len;  in save_image_lzo()
852 				memcpy(page, data[thr].cmp + off, PAGE_SIZE);  in save_image_lzo()
879 	if (data) {  in save_image_lzo()
881 			if (data[thr].thr)  in save_image_lzo()
882 				kthread_stop(data[thr].thr);  in save_image_lzo()
883 		vfree(data);  in save_image_lzo()
1138 static int lzo_decompress_threadfn(void *data)  in lzo_decompress_threadfn()  argument
1140 	struct dec_data *d = data;  in lzo_decompress_threadfn()
1190 	struct dec_data *data = NULL;  in load_image_lzo()  local
1209 	data = vzalloc(array_size(nr_threads, sizeof(*data)));  in load_image_lzo()
1210 	if (!data) {  in load_image_lzo()
1229 		init_waitqueue_head(&data[thr].go);  in load_image_lzo()
1230 		init_waitqueue_head(&data[thr].done);  in load_image_lzo()
1232 		data[thr].thr = kthread_run(lzo_decompress_threadfn,  in load_image_lzo()
1233 		                            &data[thr],  in load_image_lzo()
1235 		if (IS_ERR(data[thr].thr)) {  in load_image_lzo()
1236 			data[thr].thr = NULL;  in load_image_lzo()
1252 		crc->unc[thr] = data[thr].unc;  in load_image_lzo()
1253 		crc->unc_len[thr] = &data[thr].unc_len;  in load_image_lzo()
1352 			data[thr].cmp_len = *(size_t *)page[pg];  in load_image_lzo()
1353 			if (unlikely(!data[thr].cmp_len ||  in load_image_lzo()
1354 			             data[thr].cmp_len >  in load_image_lzo()
1361 			need = DIV_ROUND_UP(data[thr].cmp_len + LZO_HEADER,  in load_image_lzo()
1372 			     off < LZO_HEADER + data[thr].cmp_len;  in load_image_lzo()
1374 				memcpy(data[thr].cmp + off,  in load_image_lzo()
1382 			atomic_set_release(&data[thr].ready, 1);  in load_image_lzo()
1383 			wake_up(&data[thr].go);  in load_image_lzo()
1400 			wait_event(data[thr].done,  in load_image_lzo()
1401 				atomic_read_acquire(&data[thr].stop));  in load_image_lzo()
1402 			atomic_set(&data[thr].stop, 0);  in load_image_lzo()
1404 			ret = data[thr].ret;  in load_image_lzo()
1411 			if (unlikely(!data[thr].unc_len ||  in load_image_lzo()
1412 			             data[thr].unc_len > LZO_UNC_SIZE ||  in load_image_lzo()
1413 			             data[thr].unc_len & (PAGE_SIZE - 1))) {  in load_image_lzo()
1420 			     off < data[thr].unc_len; off += PAGE_SIZE) {  in load_image_lzo()
1422 				       data[thr].unc + off, PAGE_SIZE);  in load_image_lzo()
1474 	if (data) {  in load_image_lzo()
1476 			if (data[thr].thr)  in load_image_lzo()
1477 				kthread_stop(data[thr].thr);  in load_image_lzo()
1478 		vfree(data);  in load_image_lzo()