call_usermodehelper_exec

Name:We need to create the usermodehelper kernel thread from a task that is affine* to an optimized set of CPUs (or nohz housekeeping ones) such that they* inherit a widest affinity irrespective of call_usermodehelper() callers with

Proto:static void call_usermodehelper_exec_work(struct work_struct *work)

Type:void

Parameter:

Type	Parameter	Name
struct work_struct *	work

183

sub_info = container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(work, structsubprocess_info, work)

186

If wait & wait for the process to complete Then

187

Handles UMH_WAIT_PROC.

188

Else

195

pid = Create a kernel thread.

197

If pid < 0 Then

198

retval = pid

199

umh_complete(sub_info)

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