[PATCH] cpumask: convert RCU implementations, fix

[Ingo Molnar]

there's a build warning regression as well on CONFIG_RCU_CLASSIC:

 kernel/rcuclassic.c: In function ârcu_start_batchâ:
 kernel/rcuclassic.c:397: warning: passing argument 1 of âcpumask_andnotâ from incompatible pointer type

caused by:

 bd232f9: cpumask: convert RCU implementations

fixed via the patch below. (i'll carry this in cpus4096 too, ok?)

	Ingo

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