Re: Atomic operation for physically moving a page

From: Dave Hansen
Date: Fri Jun 18 2004 - 21:46:02 EST


On Fri, 2004-06-18 at 17:37, Ashwin Rao wrote:
> I want to copy a page from one physical location to
> another (taking the appr. locks). To keep the
> operation of copying and updation of all ptes and
> caches atomic one way proposed by my team members was
> to sleep the processes accessing the page.

How do you make sure that no more processes begin to access the page
while you're doing your work?

BTW, look at the swap code :)

-- Dave

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