Defined in 2 files as a function:

Referenced in 6 files:

Smatch caller information:

mm/memcontrol.c mem_cgroup_css_alloc() -> mem_cgroup_from_css()

Type Parameter Key Value
DATA_SOURCE 0 css $0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 global &cgroup_mutex

mm/memcontrol.c mem_cgroup_css_free() -> mem_cgroup_from_css()

Type Parameter Key Value
PARAM_VALUE 0 css 4096-ptr_max
CAPPED_DATA 0 css 1
DATA_SOURCE 0 css $0
HALF_LOCKED2 &pool->lock

mm/memcontrol.c mem_cgroup_css_offline() -> mem_cgroup_from_css()

Type Parameter Key Value
PARAM_VALUE 0 css 4096-ptr_max
DATA_SOURCE 0 css $0
LOCK2 global &cgroup_mutex
HALF_LOCKED2 &pool->lock

mm/memcontrol.c mem_cgroup_css_online() -> mem_cgroup_from_css()

Type Parameter Key Value
PARAM_VALUE 0 css 4096-ptr_max
BUF_SIZE 0 css 392
CAPPED_DATA 0 css 1
CAPPED_DATA 0 css->id 1
DATA_SOURCE 0 css $0
MEM_ZERO 0 css
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 global &cgroup_mutex

mm/memcontrol.c mem_cgroup_css_released() -> mem_cgroup_from_css()

Type Parameter Key Value
PARAM_VALUE 0 css 4096-ptr_max
CAPPED_DATA 0 css 1
DATA_SOURCE 0 css $0
LOCK2 global &cgroup_mutex
HALF_LOCKED2 &pool->lock

mm/memcontrol.c mem_cgroup_css_reset() -> mem_cgroup_from_css()

Type Parameter Key Value
PARAM_VALUE 0 css 4096-ptr_max
BUF_SIZE 0 css (-1),392
BUF_SIZE 0 css (-1),392
CAPPED_DATA 0 css 1
DATA_SOURCE 0 css $0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &of->mutex
HALF_LOCKED2 &pool->lock

mm/memcontrol.c mem_cgroup_css_rstat_flush() -> mem_cgroup_from_css()

Type Parameter Key Value
PARAM_VALUE 0 css 4096-ptr_max
DATA_SOURCE 0 css $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 irq
LOCK2 lock
HALF_LOCKED2 &seq->lock
HALF_LOCKED2 &sf->lock
HALF_LOCKED2 global &cgroup_mutex

mm/memcontrol.c mem_cgroup_flush_foreign() -> mem_cgroup_from_css()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &inode->i_rwsem

mm/memcontrol.c mem_cgroup_from_seq() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &m->lock
TYPE_LOCK (struct seq_file)->lock

mm/memcontrol.c mem_cgroup_from_task() -> mem_cgroup_from_css()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 global &oom_lock
HALF_LOCKED2 vmf->ptl

mm/memcontrol.c mem_cgroup_iter() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
BUF_SIZE 0 css (-1),392
DATA_SOURCE 0 css r css_next_descendant_pre
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read
HALF_LOCKED2 &m->lock
HALF_LOCKED2 &of->mutex
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &state_mutex
HALF_LOCKED2 _T->lock
HALF_LOCKED2 global &cgroup_mutex
HALF_LOCKED2 global &memcg_oom_lock
HALF_LOCKED2 global &oom_lock
HALF_LOCKED2 global &zswap_shrink_lock

mm/memcontrol.c mem_cgroup_wb_domain() -> mem_cgroup_from_css()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &(&mapping->i_pages)->xa_lock
HALF_LOCKED2 &m->lock
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 flags
HALF_LOCKED2 rcu_read

mm/memcontrol.c mem_cgroup_wb_stats() -> mem_cgroup_from_css()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &m->lock
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 rcu_read

mm/memcontrol.c memory_current_read() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
BUF_SIZE 0 css (-1),392
DATA_SOURCE 0 css $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 &m->lock
TYPE_LOCK (struct seq_file)->lock

mm/memcontrol.c memory_high_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol.c memory_low_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol.c memory_max_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol.c memory_min_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol.c memory_oom_group_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol.c memory_peak_show() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &sf->lock
TYPE_LOCK (struct seq_file)->lock

mm/memcontrol.c memory_peak_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol.c memory_reclaim() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol.c parent_mem_cgroup() -> mem_cgroup_from_css()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 global &cgroup_mutex
HALF_LOCKED2 global &oom_lock
HALF_LOCKED2 irq
HALF_LOCKED2 lock
HALF_LOCKED2 rcu_read

mm/memcontrol.c peak_release() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 mutex
HALF_LOCKED2 &root->kernfs_rwsem

mm/memcontrol.c peak_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol.c swap_current_read() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
BUF_SIZE 0 css (-1),392
DATA_SOURCE 0 css $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 &m->lock
TYPE_LOCK (struct seq_file)->lock

mm/memcontrol.c swap_high_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol.c swap_max_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol.c swap_peak_show() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &sf->lock
TYPE_LOCK (struct seq_file)->lock

mm/memcontrol.c swap_peak_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol.c zswap_current_read() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
BUF_SIZE 0 css (-1),392
DATA_SOURCE 0 css $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 &m->lock
TYPE_LOCK (struct seq_file)->lock

mm/memcontrol.c zswap_max_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol.c zswap_writeback_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

net/mptcp/sockopt.c parent_mem_cgroup() -> mem_cgroup_from_css()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 sk

mm/shrinker.c parent_mem_cgroup() -> mem_cgroup_from_css()

Type Parameter Key Value
LOCK2 &pool->lock
LOCK2 global &cgroup_mutex

mm/backing-dev.c cgwb_create() -> mem_cgroup_from_css()

Type Parameter Key Value
PARAM_VALUE 0 css 4096-ptr_max
BUF_SIZE 0 css (-1),392
BUF_SIZE 0 css (-1),392
DATA_SOURCE 0 css $1
RX_PATH
TASK_NOT_RUNNING

net/ipv4/tcp.c parent_mem_cgroup() -> mem_cgroup_from_css()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING

net/sctp/sm_statefuns.c parent_mem_cgroup() -> mem_cgroup_from_css()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk

net/ipv4/tcp_input.c parent_mem_cgroup() -> mem_cgroup_from_css()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &sk->sk_callback_lock
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk

drivers/block/loop.c loop_handle_cmd() -> mem_cgroup_from_css()

Type Parameter Key Value
PARAM_VALUE 0 css 1-u64max
HALF_LOCKED2 &pool->lock

fs/fs-writeback.c cgroup_writeback_by_id() -> mem_cgroup_from_css()

Type Parameter Key Value
PARAM_VALUE 0 css 4096-ptr_max
DATA_SOURCE 0 css r css_from_id
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &inode->i_rwsem

mm/workingset.c parent_mem_cgroup() -> mem_cgroup_from_css()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 irq
HALF_LOCKED2 rcu_read

mm/list_lru.c parent_mem_cgroup() -> mem_cgroup_from_css()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 rcu_read

mm/vmscan.c parent_mem_cgroup() -> mem_cgroup_from_css()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read

net/mptcp/protocol.c parent_mem_cgroup() -> mem_cgroup_from_css()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 bh
HALF_LOCKED2 sk

mm/memcontrol-v1.c mem_cgroup_force_empty_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol-v1.c mem_cgroup_from_seq() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &m->lock
TYPE_LOCK (struct seq_file)->lock

mm/memcontrol-v1.c mem_cgroup_oom_control_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
BUF_SIZE 0 css (-1),392
DATA_SOURCE 0 css $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol-v1.c mem_cgroup_read_u64() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
BUF_SIZE 0 css (-1),392
DATA_SOURCE 0 css $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 &m->lock
TYPE_LOCK (struct seq_file)->lock

mm/memcontrol-v1.c mem_cgroup_reset() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol-v1.c mem_cgroup_swappiness_read() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
BUF_SIZE 0 css (-1),392
DATA_SOURCE 0 css $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 &m->lock
TYPE_LOCK (struct seq_file)->lock

mm/memcontrol-v1.c mem_cgroup_swappiness_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
BUF_SIZE 0 css (-1),392
DATA_SOURCE 0 css $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol-v1.c mem_cgroup_write() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol-v1.c memcg_write_event_control() -> mem_cgroup_from_css()

Type Parameter Key Value
BUF_SIZE 0 css (-1),392
BUF_SIZE 0 css (-1),392
DATA_SOURCE 0 css r of_css
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/memcontrol-v1.c parent_mem_cgroup() -> mem_cgroup_from_css()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

net/ipv4/tcp_output.c parent_mem_cgroup() -> mem_cgroup_from_css()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &sk->sk_callback_lock
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk

net/tls/tls_strp.c parent_mem_cgroup() -> mem_cgroup_from_css()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 sk