kernel/power/swap.c

604 	wait_queue_head_t go;                     /* start crc update */
605 	wait_queue_head_t done;                   /* crc update done */
712 	struct crc_data *crc = NULL;
739 	crc = kzalloc(sizeof(*crc), GFP_KERNEL);
740 	if (!crc) {
741 		pr_err("Failed to allocate crc\n");
774 	init_waitqueue_head(&crc->go);
775 	init_waitqueue_head(&crc->done);
778 	crc->crc32 = &handle->crc32;
780 		crc->unc[thr] = data[thr].unc;
781 		crc->unc_len[thr] = &data[thr].unc_len;
784 	crc->thr = kthread_run(crc32_threadfn, crc, "image_crc32");
785 	if (IS_ERR(crc->thr)) {
786 		crc->thr = NULL;
836 		crc->run_threads = thr;
837 		atomic_set_release(&crc->ready, 1);
838 		wake_up(&crc->go);
881 		wait_event(crc->done, atomic_read_acquire(&crc->stop));
882 		atomic_set(&crc->stop, 0);
898 	if (crc) {
899 		if (crc->thr)
900 			kthread_stop(crc->thr);
901 		kfree(crc);
1221 	struct crc_data *crc = NULL;
1246 	crc = kzalloc(sizeof(*crc), GFP_KERNEL);
1247 	if (!crc) {
1248 		pr_err("Failed to allocate crc\n");
1283 	init_waitqueue_head(&crc->go);
1284 	init_waitqueue_head(&crc->done);
1287 	crc->crc32 = &handle->crc32;
1289 		crc->unc[thr] = data[thr].unc;
1290 		crc->unc_len[thr] = &data[thr].unc_len;
1293 	crc->thr = kthread_run(crc32_threadfn, crc, "image_crc32");
1294 	if (IS_ERR(crc->thr)) {
1295 		crc->thr = NULL;
1382 		if (crc->run_threads) {
1383 			wait_event(crc->done, atomic_read_acquire(&crc->stop));
1384 			atomic_set(&crc->stop, 0);
1385 			crc->run_threads = 0;
1468 					crc->run_threads = thr + 1;
1469 					atomic_set_release(&crc->ready, 1);
1470 					wake_up(&crc->go);
1476 		crc->run_threads = thr;
1477 		atomic_set_release(&crc->ready, 1);
1478 		wake_up(&crc->go);
1482 	if (crc->run_threads) {
1483 		wait_event(crc->done, atomic_read_acquire(&crc->stop));
1484 		atomic_set(&crc->stop, 0);
1506 	if (crc) {
1507 		if (crc->thr)
1508 			kthread_stop(crc->thr);
1509 		kfree(crc);