linux-kernel - Re: mmu notifier calls in apply_to_page

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Message-ID: <4C375F5F.5000907@goop.org>
Date:	Fri, 09 Jul 2010 10:41:51 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Andrea Arcangeli <aarcange@...hat.com>
CC:	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: mmu notifier calls in apply_to_page_range()

On 07/09/2010 10:36 AM, Andrea Arcangeli wrote:
> I'm not opposed to removing it, I've been wondering if it made any
> sense in the first place but then there was no point not to add
> it. Just calling apply_to_page_range in non blocking context doesn't
> look so good.
>   

That's a good point.  It should be safe if the pagetable is already
fully populated; I should double-check that's true in our case.

    J

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