centos man page for execute_in_process_context

EXECUTE_IN_PROCESS_C(9) 					   Driver Basics					   EXECUTE_IN_PROCESS_C(9)

NAME
       execute_in_process_context - reliably execute the routine with user context

SYNOPSIS
       int execute_in_process_context(work_func_t fn, struct execute_work * ew);

ARGUMENTS
       fn
	   the function to execute

       ew
	   guaranteed storage for the execute work structure (must be available when the work executes)

DESCRIPTION
       Executes the function immediately if process context is available, otherwise schedules the function for delayed execution.

RETURNS
       0 - function was executed 1 - function was scheduled for execution

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   EXECUTE_IN_PROCESS_C(9)