Re: [PATCH] emulate accessed bit for EPT

From: Andrea Arcangeli
Date: Fri Feb 05 2010 - 13:14:43 EST


On Fri, Feb 05, 2010 at 03:34:23PM -0200, Marcelo Tosatti wrote:
> But perhaps a module parameter to turn accessed bit emulation off might
> be handy in the future?

Maybe, but somebody should show that this can overall become a
downside, which I doubt... I think if it does, the VM is to blame for
calling page_referenced when there is no point to do so just yet.
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