Most of time_after like macros usages just compare jiffies and another number,
so here add some time_is_* macros for convenience.
Signed-off-by: NDave Young <hidave.darkstar@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>