idr_alloc

Name:dr_alloc() - Allocate an ID.*@idr: IDR handle.*@ptr: Pointer to be associated with the new ID.*@start: The minimum ID (inclusive).*@end: The maximum ID (exclusive).*@gfp: Memory allocation flags.

Proto:int idr_alloc(struct idr *idr, void *ptr, int start, int end, gfp_t gfp)

Type:int

Parameter:

Type	Parameter	Name
struct idr *	idr
void *	ptr
int	start
int	end
gfp_t	gfp

id = start

If WARN_ON_ONCE(start < 0) Then Return -EINVAL

ret = dr_alloc_u32() - Allocate an ID.*@idr: IDR handle.*@ptr: Pointer to be associated with the new ID.*@nextid: Pointer to an ID.*@max: The maximum ID to allocate (inclusive).*@gfp: Memory allocation flags.

If ret Then Return ret

Return id

**Caller**
Name	Describe
alloc_pid
irq_timings_alloc
cgroup_idr_alloc	IDR wrappers which synchronize using cgroup_idr_lock
perf_pmu_register
mem_cgroup_alloc
bsg_register_queue

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion

Function report