From 8b8e2ec1eeca7f6941bc81cefc9663018d6ceb57 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Thu, 16 Sep 2010 19:21:28 +0200 Subject: 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 Acked-by: Tejun Heo LKML-Reference: <20100917093009.252867712@chello.nl> Signed-off-by: Ingo Molnar --- include/linux/percpu.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'include/linux/percpu.h') diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 49466b13c5c6..0eb50832aa00 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -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 */ -- cgit v1.2.3