From: Andrew Morton <akpm@osdl.org>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: dada1@cosmosbay.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] reduce sizeof(percpu_data) and removes dependance against NR_CPUS
Date: Thu, 5 Jan 2006 23:27:36 -0800 [thread overview]
Message-ID: <20060105232736.12c5c8d8.akpm@osdl.org> (raw)
In-Reply-To: <Pine.LNX.4.61.0601060816330.22809@yvahk01.tjqt.qr>
Jan Engelhardt <jengelh@linux01.gwdg.de> wrote:
>
>
>
> --- linux-2.6.15/include/linux/percpu.h 2006-01-03 04:21:10.000000000 +0100
> +++ linux-2.6.15-edum/include/linux/percpu.h 2006-01-05 14:45:48.000000000 +0100
> @@ -18,8 +18,7 @@
> #ifdef CONFIG_SMP
>
> struct percpu_data {
> - void *ptrs[NR_CPUS];
> - void *blkp;
> + void *ptrs[1]; /* real size depends on highest_possible_processor_id() */
> };
>
> /*
>
>
> I think we can use *ptrs[0] here.
>
We can. In fact with the gcc-2.95 abandonment I think we can use ptrs[].
But it doesn't matter.
next prev parent reply other threads:[~2006-01-06 7:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-22 11:42 [PATCH] Debug shared irqs David Woodhouse
2006-01-05 10:19 ` Andrew Morton
2006-01-05 10:39 ` David Woodhouse
2006-01-05 11:08 ` Andrew Morton
2006-01-05 10:48 ` Arjan van de Ven
2006-01-05 13:49 ` [PATCH] reduce sizeof(percpu_data) and removes dependance against NR_CPUS Eric Dumazet
2006-01-05 14:00 ` Andrew Morton
2006-01-05 14:33 ` Eric Dumazet
2006-01-06 7:18 ` Jan Engelhardt
2006-01-06 7:27 ` Andrew Morton [this message]
2006-01-06 7:29 ` Eric Dumazet
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