438 	struct aio_ring *ring;  in aio_setup_ring()  local
515 	ring = kmap_atomic(ctx->ring_pages[0]);  in aio_setup_ring()
516 	ring->nr = nr_events;	/* user copy */  in aio_setup_ring()
517 	ring->id = ~0U;  in aio_setup_ring()
518 	ring->head = ring->tail = 0;  in aio_setup_ring()
519 	ring->magic = AIO_RING_MAGIC;  in aio_setup_ring()
520 	ring->compat_features = AIO_RING_COMPAT_FEATURES;  in aio_setup_ring()
521 	ring->incompat_features = AIO_RING_INCOMPAT_FEATURES;  in aio_setup_ring()
522 	ring->header_length = sizeof(struct aio_ring);  in aio_setup_ring()
523 	kunmap_atomic(ring);  in aio_setup_ring()
626 	struct aio_ring *ring;  in ioctx_add_table()  local
643 					ring = kmap_atomic(ctx->ring_pages[0]);  in ioctx_add_table()
644 					ring->id = ctx->id;  in ioctx_add_table()
645 					kunmap_atomic(ring);  in ioctx_add_table()
971 		struct aio_ring *ring;  in user_refill_reqs_available()  local
983 		ring = kmap_atomic(ctx->ring_pages[0]);  in user_refill_reqs_available()
984 		head = ring->head;  in user_refill_reqs_available()
985 		kunmap_atomic(ring);  in user_refill_reqs_available()
1031 	struct aio_ring __user *ring  = (void __user *)ctx_id;  in lookup_ioctx()  local
1037 	if (get_user(id, &ring->id))  in lookup_ioctx()
1063 	struct aio_ring	*ring;  in aio_complete()  local
1120 	ring = kmap_atomic(ctx->ring_pages[0]);  in aio_complete()
1121 	head = ring->head;  in aio_complete()
1122 	ring->tail = tail;  in aio_complete()
1123 	kunmap_atomic(ring);  in aio_complete()
1165 	struct aio_ring *ring;  in aio_read_events_ring()  local
1180 	ring = kmap_atomic(ctx->ring_pages[0]);  in aio_read_events_ring()
1181 	head = ring->head;  in aio_read_events_ring()
1182 	tail = ring->tail;  in aio_read_events_ring()
1183 	kunmap_atomic(ring);  in aio_read_events_ring()
1231 	ring = kmap_atomic(ctx->ring_pages[0]);  in aio_read_events_ring()
1232 	ring->head = head;  in aio_read_events_ring()
1233 	kunmap_atomic(ring);  in aio_read_events_ring()