600 static int crc32_threadfn(void *data)  in crc32_threadfn()  argument
602 	struct crc_data *d = data;  in crc32_threadfn()
644 static int lzo_compress_threadfn(void *data)  in lzo_compress_threadfn()  argument
646 	struct cmp_data *d = data;  in lzo_compress_threadfn()
689 	struct cmp_data *data = NULL;  in save_image_lzo()  local
708 	data = vmalloc(array_size(nr_threads, sizeof(*data)));  in save_image_lzo()
709 	if (!data) {  in save_image_lzo()
715 		memset(&data[thr], 0, offsetof(struct cmp_data, go));  in save_image_lzo()
729 		init_waitqueue_head(&data[thr].go);  in save_image_lzo()
730 		init_waitqueue_head(&data[thr].done);  in save_image_lzo()
732 		data[thr].thr = kthread_run(lzo_compress_threadfn,  in save_image_lzo()
733 		                            &data[thr],  in save_image_lzo()
735 		if (IS_ERR(data[thr].thr)) {  in save_image_lzo()
736 			data[thr].thr = NULL;  in save_image_lzo()
752 		crc->unc[thr] = data[thr].unc;  in save_image_lzo()
753 		crc->unc_len[thr] = &data[thr].unc_len;  in save_image_lzo()
788 				memcpy(data[thr].unc + off,  in save_image_lzo()
799 			data[thr].unc_len = off;  in save_image_lzo()
801 			atomic_set_release(&data[thr].ready, 1);  in save_image_lzo()
802 			wake_up(&data[thr].go);  in save_image_lzo()
813 			wait_event(data[thr].done,  in save_image_lzo()
814 				atomic_read_acquire(&data[thr].stop));  in save_image_lzo()
815 			atomic_set(&data[thr].stop, 0);  in save_image_lzo()
817 			ret = data[thr].ret;  in save_image_lzo()
824 			if (unlikely(!data[thr].cmp_len ||  in save_image_lzo()
825 			             data[thr].cmp_len >  in save_image_lzo()
826 			             lzo1x_worst_compress(data[thr].unc_len))) {  in save_image_lzo()
832 			*(size_t *)data[thr].cmp = data[thr].cmp_len;  in save_image_lzo()
843 			     off < LZO_HEADER + data[thr].cmp_len;  in save_image_lzo()
845 				memcpy(page, data[thr].cmp + off, PAGE_SIZE);  in save_image_lzo()
872 	if (data) {  in save_image_lzo()
874 			if (data[thr].thr)  in save_image_lzo()
875 				kthread_stop(data[thr].thr);  in save_image_lzo()
876 		vfree(data);  in save_image_lzo()
1130 static int lzo_decompress_threadfn(void *data)  in lzo_decompress_threadfn()  argument
1132 	struct dec_data *d = data;  in lzo_decompress_threadfn()
1182 	struct dec_data *data = NULL;  in load_image_lzo()  local
1201 	data = vmalloc(array_size(nr_threads, sizeof(*data)));  in load_image_lzo()
1202 	if (!data) {  in load_image_lzo()
1208 		memset(&data[thr], 0, offsetof(struct dec_data, go));  in load_image_lzo()
1224 		init_waitqueue_head(&data[thr].go);  in load_image_lzo()
1225 		init_waitqueue_head(&data[thr].done);  in load_image_lzo()
1227 		data[thr].thr = kthread_run(lzo_decompress_threadfn,  in load_image_lzo()
1228 		                            &data[thr],  in load_image_lzo()
1230 		if (IS_ERR(data[thr].thr)) {  in load_image_lzo()
1231 			data[thr].thr = NULL;  in load_image_lzo()
1247 		crc->unc[thr] = data[thr].unc;  in load_image_lzo()
1248 		crc->unc_len[thr] = &data[thr].unc_len;  in load_image_lzo()
1347 			data[thr].cmp_len = *(size_t *)page[pg];  in load_image_lzo()
1348 			if (unlikely(!data[thr].cmp_len ||  in load_image_lzo()
1349 			             data[thr].cmp_len >  in load_image_lzo()
1356 			need = DIV_ROUND_UP(data[thr].cmp_len + LZO_HEADER,  in load_image_lzo()
1367 			     off < LZO_HEADER + data[thr].cmp_len;  in load_image_lzo()
1369 				memcpy(data[thr].cmp + off,  in load_image_lzo()
1377 			atomic_set_release(&data[thr].ready, 1);  in load_image_lzo()
1378 			wake_up(&data[thr].go);  in load_image_lzo()
1395 			wait_event(data[thr].done,  in load_image_lzo()
1396 				atomic_read_acquire(&data[thr].stop));  in load_image_lzo()
1397 			atomic_set(&data[thr].stop, 0);  in load_image_lzo()
1399 			ret = data[thr].ret;  in load_image_lzo()
1406 			if (unlikely(!data[thr].unc_len ||  in load_image_lzo()
1407 			             data[thr].unc_len > LZO_UNC_SIZE ||  in load_image_lzo()
1408 			             data[thr].unc_len & (PAGE_SIZE - 1))) {  in load_image_lzo()
1415 			     off < data[thr].unc_len; off += PAGE_SIZE) {  in load_image_lzo()
1417 				       data[thr].unc + off, PAGE_SIZE);  in load_image_lzo()
1469 	if (data) {  in load_image_lzo()
1471 			if (data[thr].thr)  in load_image_lzo()
1472 				kthread_stop(data[thr].thr);  in load_image_lzo()
1473 		vfree(data);  in load_image_lzo()