linux-kernel - Re: [patch 4/9] Guest page hinting: volatile swap cache.

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Message-Id: <1157125031.21733.21.camel@localhost>
Date:	Fri, 01 Sep 2006 17:37:11 +0200
From:	Martin Schwidefsky <schwidefsky@...ibm.com>
To:	Dave Hansen <haveblue@...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 4/9] Guest page hinting: volatile swap cache.

On Fri, 2006-09-01 at 08:04 -0700, Dave Hansen wrote:
> > +EXPORT_SYMBOL(find_get_page_nodiscard);
> > +
> > +#endif
> 
> Is it worth having another full copy of find_get_page()?  What about a
> "nodiscard" argument?

That is a hard call to make. I really tried hard to avoid adding any
overhead to a system running without the feature.

-- 
blue skies,
  Martin.

Martin Schwidefsky
Linux for zSeries Development & Services
IBM Deutschland Entwicklung GmbH

"Reality continues to ruin my life." - Calvin.


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