Commit 8b8e2ec1 authored Sep 16, 2010 by Peter Zijlstra Committed by Ingo Molnar Sep 21, 2010

percpu: Add {get,put}_cpu_ptr



These are similar to {get,put}_cpu_var() except for dynamically
allocated per-cpu memory.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Tejun Heo <tj@kernel.org>
LKML-Reference: <20100917093009.252867712@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 7ed56920

include/linux/percpu.h

+9 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,15 @@
		preempt_enable(); \
		} while (0)

		#define get_cpu_ptr(var) ({ \
		preempt_disable(); \
		this_cpu_ptr(var); })

		#define put_cpu_ptr(var) do { \
		(void)(var); \
		preempt_enable(); \
		} while (0)

		#ifdef CONFIG_SMP

		/* minimum unit size, also is the maximum supported allocation size */