499 static int crc32_threadfn(void *data)  in crc32_threadfn()  argument
501 	struct crc_data *d = data;  in crc32_threadfn()
543 static int lzo_compress_threadfn(void *data)  in lzo_compress_threadfn()  argument
545 	struct cmp_data *d = data;  in lzo_compress_threadfn()
588 	struct cmp_data *data = NULL;  in save_image_lzo()  local
605 	data = vmalloc(sizeof(*data) * nr_threads);  in save_image_lzo()
606 	if (!data) {  in save_image_lzo()
612 		memset(&data[thr], 0, offsetof(struct cmp_data, go));  in save_image_lzo()
626 		init_waitqueue_head(&data[thr].go);  in save_image_lzo()
627 		init_waitqueue_head(&data[thr].done);  in save_image_lzo()
629 		data[thr].thr = kthread_run(lzo_compress_threadfn,  in save_image_lzo()
630 		                            &data[thr],  in save_image_lzo()
632 		if (IS_ERR(data[thr].thr)) {  in save_image_lzo()
633 			data[thr].thr = NULL;  in save_image_lzo()
650 		crc->unc[thr] = data[thr].unc;  in save_image_lzo()
651 		crc->unc_len[thr] = &data[thr].unc_len;  in save_image_lzo()
688 				memcpy(data[thr].unc + off,  in save_image_lzo()
701 			data[thr].unc_len = off;  in save_image_lzo()
703 			atomic_set(&data[thr].ready, 1);  in save_image_lzo()
704 			wake_up(&data[thr].go);  in save_image_lzo()
715 			wait_event(data[thr].done,  in save_image_lzo()
716 			           atomic_read(&data[thr].stop));  in save_image_lzo()
717 			atomic_set(&data[thr].stop, 0);  in save_image_lzo()
719 			ret = data[thr].ret;  in save_image_lzo()
726 			if (unlikely(!data[thr].cmp_len ||  in save_image_lzo()
727 			             data[thr].cmp_len >  in save_image_lzo()
728 			             lzo1x_worst_compress(data[thr].unc_len))) {  in save_image_lzo()
735 			*(size_t *)data[thr].cmp = data[thr].cmp_len;  in save_image_lzo()
746 			     off < LZO_HEADER + data[thr].cmp_len;  in save_image_lzo()
748 				memcpy(page, data[thr].cmp + off, PAGE_SIZE);  in save_image_lzo()
774 	if (data) {  in save_image_lzo()
776 			if (data[thr].thr)  in save_image_lzo()
777 				kthread_stop(data[thr].thr);  in save_image_lzo()
778 		vfree(data);  in save_image_lzo()
1031 static int lzo_decompress_threadfn(void *data)  in lzo_decompress_threadfn()  argument
1033 	struct dec_data *d = data;  in lzo_decompress_threadfn()
1079 	struct dec_data *data = NULL;  in load_image_lzo()  local
1096 	data = vmalloc(sizeof(*data) * nr_threads);  in load_image_lzo()
1097 	if (!data) {  in load_image_lzo()
1103 		memset(&data[thr], 0, offsetof(struct dec_data, go));  in load_image_lzo()
1117 		init_waitqueue_head(&data[thr].go);  in load_image_lzo()
1118 		init_waitqueue_head(&data[thr].done);  in load_image_lzo()
1120 		data[thr].thr = kthread_run(lzo_decompress_threadfn,  in load_image_lzo()
1121 		                            &data[thr],  in load_image_lzo()
1123 		if (IS_ERR(data[thr].thr)) {  in load_image_lzo()
1124 			data[thr].thr = NULL;  in load_image_lzo()
1141 		crc->unc[thr] = data[thr].unc;  in load_image_lzo()
1142 		crc->unc_len[thr] = &data[thr].unc_len;  in load_image_lzo()
1244 			data[thr].cmp_len = *(size_t *)page[pg];  in load_image_lzo()
1245 			if (unlikely(!data[thr].cmp_len ||  in load_image_lzo()
1246 			             data[thr].cmp_len >  in load_image_lzo()
1254 			need = DIV_ROUND_UP(data[thr].cmp_len + LZO_HEADER,  in load_image_lzo()
1265 			     off < LZO_HEADER + data[thr].cmp_len;  in load_image_lzo()
1267 				memcpy(data[thr].cmp + off,  in load_image_lzo()
1275 			atomic_set(&data[thr].ready, 1);  in load_image_lzo()
1276 			wake_up(&data[thr].go);  in load_image_lzo()
1293 			wait_event(data[thr].done,  in load_image_lzo()
1294 			           atomic_read(&data[thr].stop));  in load_image_lzo()
1295 			atomic_set(&data[thr].stop, 0);  in load_image_lzo()
1297 			ret = data[thr].ret;  in load_image_lzo()
1305 			if (unlikely(!data[thr].unc_len ||  in load_image_lzo()
1306 			             data[thr].unc_len > LZO_UNC_SIZE ||  in load_image_lzo()
1307 			             data[thr].unc_len & (PAGE_SIZE - 1))) {  in load_image_lzo()
1315 			     off < data[thr].unc_len; off += PAGE_SIZE) {  in load_image_lzo()
1317 				       data[thr].unc + off, PAGE_SIZE);  in load_image_lzo()
1371 	if (data) {  in load_image_lzo()
1373 			if (data[thr].thr)  in load_image_lzo()
1374 				kthread_stop(data[thr].thr);  in load_image_lzo()
1375 		vfree(data);  in load_image_lzo()