Messages in this thread | | | Date | Wed, 18 Oct 2006 15:23:46 -0700 | From | Andrew Morton <> | Subject | Re: 2.6.19-rc2-mm1 |
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On Wed, 18 Oct 2006 22:26:50 +0200 Cedric Le Goater <clg@fr.ibm.com> wrote:
> > Because we must service a fault if it happens here. The > > fault_in_pages_readable and comments are wrong AFAIKS. > > hmm. It says : > > /* > * Bring in the user page that we will copy from _first_. > * Otherwise there's a nasty deadlock on copying from the > * same page as we're writing to, without it being marked > * up-to-date. > */ > > How can we improve it ?
The page we're writing into isn't locked, so there's no deadlock afaict.
But then, I forget how xip works. Carsten, is it actually being used for anything?
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