idr_preload

函数名称：dr_preload - preload for idr_alloc()*@gfp_mask: allocation mask to use for preloading* Preallocate memory to use for the next call to idr_alloc(). This function* returns with preemption disabled. It will be enabled by idr_preload_end().

函数原型：void idr_preload(gfp_t gfp_mask)

返回类型：void

参数：

类型	参数	名称
gfp_t	gfp_mask

**调用者**
名称	描述
irq_timings_alloc
cgroup_idr_alloc	IDR wrappers which synchronize using cgroup_idr_lock
bpf_map_alloc_id
bpf_prog_alloc_id
btf_alloc_id
alloc_pid	分配进程句柄
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
blk_alloc_devt	lk_alloc_devt - allocate a dev_t for a partition@part: partition to allocate dev_t for@devt: out parameter for resulting dev_t* Allocate a dev_t for block device
aa_alloc_secid	aa_alloc_secid - allocate a new secid for a profile@label: the label to allocate a secid for@gfp: memory allocation flags* Returns: 0 with @label->secid initialized* <0 returns error with @label->secid set to AA_SECID_INVALID
inotify_add_to_idr

函数逻辑报告