linux-kernel - Re: [patch 2/3] mmu_notifier: Callbacks to invalidate address ranges

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Message-ID: <20080201042408.GG26420@sgi.com>
Date:	Thu, 31 Jan 2008 22:24:09 -0600
From:	Robin Holt <holt@....com>
To:	Christoph Lameter <clameter@....com>
Cc:	Andrea Arcangeli <andrea@...ranet.com>, Robin Holt <holt@....com>,
	Avi Kivity <avi@...ranet.com>, Izik Eidus <izike@...ranet.com>,
	kvm-devel@...ts.sourceforge.net,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, steiner@....com,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	daniel.blueman@...drics.com
Subject: Re: [patch 2/3] mmu_notifier: Callbacks to invalidate address
	ranges

> Index: linux-2.6/mm/memory.c
...
> @@ -1668,6 +1678,7 @@ gotten:
>  		page_cache_release(old_page);
>  unlock:
>  	pte_unmap_unlock(page_table, ptl);
> +	mmu_notifier(invalidate_range_end, mm, 0);

I think we can get an _end call without the _begin call before it.

Thanks,
Robin
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