refcount

类型	参数	名称
refcount_t *	r
int	n

**调用者**
名称	描述
refcount_warn_saturate
threshold_create_bank
dup_task_struct	复制进程并设置栈
copy_sighand	复制信号句柄
copy_signal	复制信号
alloc_uid
alloc_pid	分配进程句柄
refill_pi_state_cache	PI code:
put_pi_state	Drops a reference to the pi_state object and frees or caches it* when the last reference is gone.
find_css_set	d_css_set - return a new css_set with one cgroup updated@old_cset: the baseline css_set@cgrp: the cgroup to be updated* Return a new css_set that's equivalent to @old_cset, but with @cgrp* substituted into the appropriate hierarchy.
alloc_cgroup_ns
audit_init_watch	Initialize a watch entry.
alloc_tree
kcov_open
tracing_buffers_splice_read
bpf_trampoline_lookup
btf_parse
btf_parse_vmlinux
__perf_event_init_context	Initialize the perf_event context in a task_struct:
ring_buffer_init
rb_alloc_aux
__insert_uprobe
cgwb_bdi_init
mem_cgroup_css_online
ipc_addid	pc_addid - add an ipc identifier@ids: ipc identifier set@new: new ipc permission set@limit: limit for the number of used ids Add an entry 'new' to the ipc ids idr
get_undo_list	If the task doesn't already have a undo_list, then allocate one* here. We guarantee there is only one thread using this undo list,* and current is THE ONE* If this allocation and assignment succeeds, but later
create_ipc_ns
blk_rq_init
blk_mq_rq_ctx_init
bsg_add_device
key_user_lookup	Get the key quota record for a user, allocating a new record if one doesn't* already exist.
key_alloc	key_alloc - Allocate a key of the specified type.@type: The type of key to allocate.@desc: The key description to allow the key to be searched out.@uid: The owner of the new key.@gid: The group ID for the new key's group permissions.
de_thread	This function makes sure the current process has its own signal table,* so that flush_signal_handlers can later reset the handlers without* disturbing other processes. (Other processes might share the signal* table via the CLONE_SIGHAND option to clone().)
fscontext_alloc_log
fsnotify_alloc_group	Create a new fsnotify_group and hold a reference for the group returned.
fsnotify_init_mark	Nothing fancy, just initialize lists and locks and counters.
dup_userfaultfd
SYSCALL_DEFINE1
aio_get_req	aio_get_req* Allocate a slot for an aio request.* Returns NULL if no requests are free.* The refcount is initialized to 2 - one for the async op completion,* one for the synchronous code that does this.
io_get_req
create_io_worker
io_wq_manager	Manager thread. Tasked with creating new workers, if we need them.
add_new_master_key	Allocate a new fscrypt_master_key which contains the given secret, set it as* the payload of a new 'struct key' of type fscrypt, and link the 'struct key'* into the given keyring. Synchronized by fscrypt_add_key_mutex.
fscrypt_get_direct_key	Prepare to encrypt directly using the master key in the given mode
posix_acl_init	Init a fresh posix_acl
posix_acl_clone	Clone an ACL.
kref_init	初始化对象
reqsk_alloc
netlbl_secattr_cache_alloc	lbl_secattr_cache_alloc - Allocate and initialize a secattr cache@flags: the memory allocation flags Description:* Allocate and initialize a netlbl_lsm_cache structure. Returns a pointer* on success, NULL on failure.

函数逻辑报告