Re: question about pt locking

From: Peter Zijlstra
Date: Fri Mar 20 2009 - 04:53:18 EST


On Fri, 2009-03-20 at 01:16 -0700, Shentino wrote:
> Just curious, but does a process effectively have a read-lock on its
> page tables when it's in userland?

No, page reclaim can fiddle with a running process' page tables
concurrently.
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