centos man page for napi_schedule_prep

NAPI_SCHEDULE_PREP(9)					      Network device support					     NAPI_SCHEDULE_PREP(9)

NAME
       napi_schedule_prep - check if napi can be scheduled

SYNOPSIS
       bool napi_schedule_prep(struct napi_struct * n);

ARGUMENTS
       n
	   napi context

DESCRIPTION
       Test if NAPI routine is already running, and if not mark it as running. This is used as a condition variable insure only one NAPI poll
       instance runs. We also make sure there is no pending NAPI disable.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						     NAPI_SCHEDULE_PREP(9)