linux-kernel - Re: [patch 8/9] Guest page hinting: discarded page list.

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Message-Id: <1157123836.28577.77.camel@localhost.localdomain>
Date:	Fri, 01 Sep 2006 08:17:16 -0700
From:	Dave Hansen <haveblue@...ibm.com>
To:	Martin Schwidefsky <schwidefsky@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, virtualization@...ts.osdl.org,
	akpm@...l.org, nickpiggin@...oo.com.au, frankeh@...son.ibm.com,
	rhim@...gateh.edu
Subject: Re: [patch 8/9] Guest page hinting: discarded page list.

On Fri, 2006-09-01 at 13:11 +0200, Martin Schwidefsky wrote:
> 
> +#if defined(CONFIG_PAGE_DISCARD_LIST)
> +       if (page_host_discards() && unlikely(PageDiscarded(page))) {
> +               local_irq_disable();
> +               list_add_tail(&page->lru,
> +                             &__get_cpu_var(page_discard_list));
> +               local_irq_enable();
> +               return;
> +       }
> +#endif 

If PageDiscarded() was #ifdef'd in the header, you wouldn't need this in
the .c file.

-- Dave

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