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

Andrea Arcangeli
2008-01-30T00:59:25Z

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.