On Tue, 2023-03-07 at 00:11 -0500, Joel Fernandes wrote:
> Do you mind sharing which tree you are looking at? I checked both
> 6.3-rc1 and linux-next.
>
> Your grep returned:
>
> kernel/trace/trace_osnoise.c: kvfree_rcu(inst);
> kernel/trace/trace_probe.c: kvfree_rcu(link);
> lib/test_vmalloc.c: kvfree_rcu(p);
> mm/list_lru.c: * We need kvfree_rcu() here. And the walking of the list
> net/core/pktgen.c: /* Don't need rcu_barrier() due to use of kfree_rcu() */
> net/core/sysctl_net_core.c:
> kvfree_rcu(orig_sock_table);
> net/core/sysctl_net_core.c: kfree_rcu(cur);
> net/mac802154/scan.c: kfree_rcu(request);
> net/mac802154/scan.c: kfree_rcu(request);
rather old. I'm not subscribed and haven't been following much.
Add linux-next specific files for 20230217
Updating to today's next:
Add linux-next specific files for 20230307
I get several instances:
$ git grep -P '\bkv?free_rcu\s*\(' -- '*.[ch]' | grep -v -P 'kv?free_rcu\s*\([^,]+,.*\)'
drivers/block/drbd/drbd_nl.c: kvfree_rcu(old_disk_conf);
drivers/block/drbd/drbd_nl.c: kvfree_rcu(old_net_conf);
drivers/block/drbd/drbd_nl.c: kvfree_rcu(old_disk_conf);
drivers/block/drbd/drbd_receiver.c: kvfree_rcu(old_net_conf);
drivers/block/drbd/drbd_receiver.c: kvfree_rcu(old_disk_conf);
drivers/block/drbd/drbd_state.c: kvfree_rcu(old_conf);
drivers/infiniband/core/device.c: kfree_rcu(container_of(dev->port_data, struct ib_port_data_rcu,
drivers/infiniband/core/rdma_core.c: * kfree_rcu(). However the object may still have been released and
drivers/infiniband/sw/rxe/rxe_mr.c: kfree_rcu(mr);
drivers/misc/vmw_vmci/vmci_context.c: kvfree_rcu(notifier);
drivers/misc/vmw_vmci/vmci_event.c: kvfree_rcu(s);
drivers/net/ethernet/mellanox/mlx5/core/en/tc/int_port.c: kfree_rcu(int_port);
drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c: kfree_rcu(tx_sa);
drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c: kfree_rcu(rx_sc);
drivers/target/target_core_configfs.c: * callbacks to complete post kfree_rcu(), before allowing
fs/ext4/super.c: kfree_rcu(qname);
include/linux/rcupdate.h: * kvfree_rcu(ptr);
include/linux/rcupdate.h:#define kvfree_rcu(...) KVFREE_GET_MACRO(__VA_ARGS__, \
include/linux/rcutiny.h: // kvfree_rcu(one_arg) call.
include/rdma/ib_verbs.h: struct rcu_head rcu; /* kfree_rcu() overhead */
include/scsi/scsi_device.h: * @rcu: For kfree_rcu().
kernel/rcu/rcuscale.c: pr_alert("CONFIG_RCU_LAZY is disabled, falling back to kfree_rcu() for delayed RCU kfree'ing\n");
kernel/rcu/tree.c: * struct kvfree_rcu_bulk_data - single block to store kvfree_rcu() pointers
kernel/rcu/tree.c: * @records: Array of the kvfree_rcu() pointers
kernel/rcu/tree.c: * struct kfree_rcu_cpu_work - single batch of kfree_rcu() requests
kernel/rcu/tree.c: * @head_free: List of kfree_rcu() objects waiting for a grace period
kernel/rcu/tree.c: * @bulk_head_free: Bulk-List of kvfree_rcu() objects waiting for a grace period
kernel/rcu/tree.c: * struct kfree_rcu_cpu - batch up kfree_rcu() requests for RCU grace period
kernel/rcu/tree.c: * @head: List of kfree_rcu() objects not yet waiting for a grace period
kernel/rcu/tree.c: * @bulk_head: Bulk-List of kvfree_rcu() objects not yet waiting for a grace period
kernel/rcu/tree.c: * @krw_arr: Array of batches of kfree_rcu() objects waiting for a grace period
kernel/rcu/tree.c: * double-argument of kvfree_rcu(). This happens when the
kernel/rcu/tree.c: * reduce the number of grace periods during heavy kfree_rcu()/kvfree_rcu() load.
kernel/rcu/tree.c: // Probable double kfree_rcu(), just leak.
kernel/trace/trace_osnoise.c: kvfree_rcu(inst);
kernel/trace/trace_probe.c: kvfree_rcu(link);
net/core/pktgen.c: /* Don't need rcu_barrier() due to use of kfree_rcu() */
net/core/sysctl_net_core.c: kvfree_rcu(orig_sock_table);
net/core/sysctl_net_core.c: kfree_rcu(cur);
