1429 	kmem_log_header_t *lhp;  in kmem_log_init()  local
1439 	lhp = vmem_xalloc(kmem_log_arena, lhsize, 64, P2NPHASE(lhsize, 64), 0,  in kmem_log_init()
1441 	bzero(lhp, lhsize);  in kmem_log_init()
1443 	mutex_init(&lhp->lh_lock, NULL, MUTEX_DEFAULT, NULL);  in kmem_log_init()
1444 	lhp->lh_nchunks = nchunks;  in kmem_log_init()
1445 	lhp->lh_chunksize = P2ROUNDUP(logsize / nchunks + 1, PAGESIZE);  in kmem_log_init()
1446 	lhp->lh_base = vmem_alloc(kmem_log_arena,  in kmem_log_init()
1447 	    lhp->lh_chunksize * nchunks, VM_SLEEP);  in kmem_log_init()
1448 	lhp->lh_free = vmem_alloc(kmem_log_arena,  in kmem_log_init()
1450 	bzero(lhp->lh_base, lhp->lh_chunksize * nchunks);  in kmem_log_init()
1453 		kmem_cpu_log_header_t *clhp = &lhp->lh_cpu[i];  in kmem_log_init()
1459 		lhp->lh_free[i] = i;  in kmem_log_init()
1461 	lhp->lh_head = max_ncpus;  in kmem_log_init()
1462 	lhp->lh_tail = 0;  in kmem_log_init()
1464 	return (lhp);  in kmem_log_init()
1468 kmem_log_enter(kmem_log_header_t *lhp, void *data, size_t size)  in kmem_log_enter()  argument
1471 	kmem_cpu_log_header_t *clhp = &lhp->lh_cpu[CPU->cpu_seqid];  in kmem_log_enter()
1473 	if (lhp == NULL || kmem_logging == 0 || panicstr)  in kmem_log_enter()
1479 		mutex_enter(&lhp->lh_lock);  in kmem_log_enter()
1480 		lhp->lh_hits++;  in kmem_log_enter()
1481 		lhp->lh_free[lhp->lh_tail] = clhp->clh_chunk;  in kmem_log_enter()
1482 		lhp->lh_tail = (lhp->lh_tail + 1) % lhp->lh_nchunks;  in kmem_log_enter()
1483 		clhp->clh_chunk = lhp->lh_free[lhp->lh_head];  in kmem_log_enter()
1484 		lhp->lh_head = (lhp->lh_head + 1) % lhp->lh_nchunks;  in kmem_log_enter()
1485 		clhp->clh_current = lhp->lh_base +  in kmem_log_enter()
1486 		    clhp->clh_chunk * lhp->lh_chunksize;  in kmem_log_enter()
1487 		clhp->clh_avail = lhp->lh_chunksize;  in kmem_log_enter()
1488 		if (size > lhp->lh_chunksize)  in kmem_log_enter()
1489 			size = lhp->lh_chunksize;  in kmem_log_enter()
1490 		mutex_exit(&lhp->lh_lock);  in kmem_log_enter()