Re: [GIT RFC] percpu: use dynamic percpu allocator as the default percpu allocator

Ivan Kokshaysky
2009-03-31T19:45:37Z

On Tue, Mar 31, 2009 at 06:54:31PM +0200, Martin Schwidefsky wrote:
> I got the dynamic cpu allocator to work with the patch below. Anybody
> with an objection against the SHIFT_PERCPU_VAR macro ?

That's fine with me.

> --- linux-next/arch/alpha/include/asm/percpu.h 2009-03-31 15:55:03.000000000 +0200
> +++ linux-s390/arch/alpha/include/asm/percpu.h 2009-03-31 15:55:46.000000000 +0200
> @@ -47,6 +47,8 @@ extern unsigned long __per_cpu_offset[NR
> : "=&r"(__ptr), "=&r"(tmp_gp)); \
> (typeof(&per_cpu_var(var)))(__ptr + (offset)); })
>
> +#define SHIFT_PERCPU_VAR(var, offset) SHIFT_PERCPU_PTR(var, offset)
> +

No, just do s/SHIFT_PERCPU_PTR/SHIFT_PERCPU_VAR/ in
arch/alpha/include/asm/percpu.h and the rest of your patch would
fix alpha as well.

Ivan.