__ROUND_JIFFIES_UP_R(9) Driver Basics __ROUND_JIFFIES_UP_R(9)NAME__round_jiffies_up_relative - function to round jiffies up to a full
second
SYNOPSIS
unsigned long __round_jiffies_up_relative(unsigned long j, int cpu);
ARGUMENTS
j
the time in (relative) jiffies that should be rounded
cpu
the processor number on which the timeout will happen
DESCRIPTION
This is the same as __round_jiffies_relative except that it will never
round down. This is useful for timeouts for which the exact time of
firing does not matter too much, as long as they don't fire too early.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 __ROUND_JIFFIES_UP_R(9)