Re: [patch 2/6] mmu_notifier: Callbacks to invalidate addressranges

[Andrea Arcangeli]

On Tue, Jan 29, 2008 at 04:22:46PM -0800, Christoph Lameter wrote:
> That is only partially true. pte are created wronly in order to track 
> dirty state these days. The first write will lead to a fault that switches 
> the pte to writable. When the page undergoes writeback the page again 
> becomes write protected. Thus our need to effectively deal with 
> page_mkclean.

Well I was talking about anonymous memory.
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