../kernel/cgroup/cgroup.c:6772:41: warning: incorrect type in argument 1 (different address spaces)
../kernel/cgroup/cgroup.c:6772:41:    expected struct spinlock [usertype] *lock
../kernel/cgroup/cgroup.c:6772:41:    got struct spinlock [noderef] __rcu *
../kernel/cgroup/cgroup.c:6775:43: warning: incorrect type in argument 1 (different address spaces)
../kernel/cgroup/cgroup.c:6775:43:    expected struct spinlock [usertype] *lock
../kernel/cgroup/cgroup.c:6775:43:    got struct spinlock [noderef] __rcu *
../kernel/cgroup/cgroup.c:3166:9: warning: context imbalance in 'cgroup_lock_and_drain_offline' - wrong count at exit
../kernel/cgroup/cgroup.c:6535:12: warning: context imbalance in 'cgroup_css_set_fork' - wrong count at exit
../kernel/cgroup/cgroup.c:6651:9: warning: context imbalance in 'cgroup_css_set_put_fork' - wrong count at exit
../kernel/cgroup/cgroup.c:6671:5: warning: context imbalance in 'cgroup_can_fork' - wrong count at exit
../kernel/cgroup/cgroup.c:6720:9: warning: context imbalance in 'cgroup_cancel_fork' - unexpected unlock
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?
../kernel/cgroup/cgroup.c:6774:41: warning: incorrect type in argument 1 (different address spaces)
../kernel/cgroup/cgroup.c:6774:41:    expected struct spinlock [usertype] *lock
../kernel/cgroup/cgroup.c:6774:41:    got struct spinlock [noderef] __rcu *
../kernel/cgroup/cgroup.c:6777:43: warning: incorrect type in argument 1 (different address spaces)
../kernel/cgroup/cgroup.c:6777:43:    expected struct spinlock [usertype] *lock
../kernel/cgroup/cgroup.c:6777:43:    got struct spinlock [noderef] __rcu *
../kernel/cgroup/cgroup.c:3167:9: warning: context imbalance in 'cgroup_lock_and_drain_offline' - wrong count at exit
../kernel/cgroup/cgroup.c:6537:12: warning: context imbalance in 'cgroup_css_set_fork' - wrong count at exit
../kernel/cgroup/cgroup.c:6653:9: warning: context imbalance in 'cgroup_css_set_put_fork' - wrong count at exit
../kernel/cgroup/cgroup.c:6673:5: warning: context imbalance in 'cgroup_can_fork' - wrong count at exit
../kernel/cgroup/cgroup.c:6722:9: warning: context imbalance in 'cgroup_cancel_fork' - unexpected unlock
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?