From: Dave Jones <davej@redhat.com>
To: Nigel Cunningham <ncunningham@linuxmail.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] SMP support for drain local pages.
Date: Wed, 26 May 2004 23:32:55 +0100 [thread overview]
Message-ID: <20040526223255.GB15278@redhat.com> (raw)
In-Reply-To: <40B473F7.4000100@linuxmail.org>
On Wed, May 26, 2004 at 08:39:51PM +1000, Nigel Cunningham wrote:
> +#ifdef CONFIG_SMP
> +static void __smp_drain_local_pages(void * data)
> +{
> + drain_local_pages();
> +}
> +
> +void smp_drain_local_pages(void)
> +{
> + smp_call_function(__smp_drain_local_pages, NULL, 0, 1);
> + drain_local_pages();
> +}
> +#else
> +void smp_drain_local_pages(void)
> +{
> + drain_local_pages();
> +}
> +#endif
> #endif /* CONFIG_PM */
if you use on_each_cpu() you can do away with the ifdef.
It also takes care of preemption issues.
Dave
next prev parent reply other threads:[~2004-05-26 22:34 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-26 10:39 [PATCH] SMP support for drain local pages Nigel Cunningham
2004-05-26 22:32 ` Dave Jones [this message]
2004-05-26 22:56 ` [PATCH] SMP support for drain local pages v2 Nigel Cunningham
2004-05-26 23:26 ` Andrew Morton
2004-05-26 23:38 ` Nigel Cunningham
2004-05-26 23:56 ` Andrew Morton
2004-05-26 23:56 ` Nigel Cunningham
2004-05-27 19:29 ` Pavel Machek
2004-05-27 21:22 ` Nigel Cunningham
2004-05-27 19:25 ` [PATCH] SMP support for drain local pages Pavel Machek
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