sysctl_remove_oid_locked
static int sysctl_remove_oid_locked(struct sysctl_oid *oidp, int del,
error = sysctl_remove_oid_locked(e->entry, 0, 0);
error = sysctl_remove_oid_locked(e->entry, 1, 0);
error = sysctl_remove_oid_locked(oidp, del, recurse);
error = sysctl_remove_oid_locked(p, del, recurse);
error = sysctl_remove_oid_locked(p, del,