429 	struct aio_ring *ring;  in aio_setup_ring()  local
506 	ring = kmap_atomic(ctx->ring_pages[0]);  in aio_setup_ring()
507 	ring->nr = nr_events;	/* user copy */  in aio_setup_ring()
508 	ring->id = ~0U;  in aio_setup_ring()
509 	ring->head = ring->tail = 0;  in aio_setup_ring()
510 	ring->magic = AIO_RING_MAGIC;  in aio_setup_ring()
511 	ring->compat_features = AIO_RING_COMPAT_FEATURES;  in aio_setup_ring()
512 	ring->incompat_features = AIO_RING_INCOMPAT_FEATURES;  in aio_setup_ring()
513 	ring->header_length = sizeof(struct aio_ring);  in aio_setup_ring()
514 	kunmap_atomic(ring);  in aio_setup_ring()
617 	struct aio_ring *ring;  in ioctx_add_table()  local
634 					ring = kmap_atomic(ctx->ring_pages[0]);  in ioctx_add_table()
635 					ring->id = ctx->id;  in ioctx_add_table()
636 					kunmap_atomic(ring);  in ioctx_add_table()
962 		struct aio_ring *ring;  in user_refill_reqs_available()  local
974 		ring = kmap_atomic(ctx->ring_pages[0]);  in user_refill_reqs_available()
975 		head = ring->head;  in user_refill_reqs_available()
976 		kunmap_atomic(ring);  in user_refill_reqs_available()
1022 	struct aio_ring __user *ring  = (void __user *)ctx_id;  in lookup_ioctx()  local
1028 	if (get_user(id, &ring->id))  in lookup_ioctx()
1054 	struct aio_ring	*ring;  in aio_complete()  local
1111 	ring = kmap_atomic(ctx->ring_pages[0]);  in aio_complete()
1112 	head = ring->head;  in aio_complete()
1113 	ring->tail = tail;  in aio_complete()
1114 	kunmap_atomic(ring);  in aio_complete()
1156 	struct aio_ring *ring;  in aio_read_events_ring()  local
1171 	ring = kmap_atomic(ctx->ring_pages[0]);  in aio_read_events_ring()
1172 	head = ring->head;  in aio_read_events_ring()
1173 	tail = ring->tail;  in aio_read_events_ring()
1174 	kunmap_atomic(ring);  in aio_read_events_ring()
1222 	ring = kmap_atomic(ctx->ring_pages[0]);  in aio_read_events_ring()
1223 	ring->head = head;  in aio_read_events_ring()
1224 	kunmap_atomic(ring);  in aio_read_events_ring()