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Re: Always passing mm and vma down (was: [RFC][PATCH] Convert do_no_page() to a hook to avoid DFS race)

To: Arjan van de Ven <arjanv@redhat.com>
Subject: Re: Always passing mm and vma down (was: [RFC][PATCH] Convert do_no_page() to a hook to avoid DFS race)
From: "Paul E. McKenney" <paulmck@us.ibm.com>
Date: Mon, 2 Jun 2003 06:13:05 -0700
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, akpm@digeo.com,pmckenne@us.ibm.com
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On Mon, Jun 02, 2003 at 10:32:50AM +0200, Arjan van de Ven wrote:
> On Sun, 2003-06-01 at 22:00, Paul E. McKenney wrote:
> > The immediate motivation is to avoid the race with zap_page_range()
> > when another node writes to the corresponding portion of the file,
> > similar to the situation with vmtruncate().  The thought was to
> > leverage locking within the distributed filesystem, but if the
> > race is solved locally, then, as you say, perhaps this is not 
> > necessary.
> 
> is said distributed filesystem open source by chance ?

At least one soon will be.

					Thanx, Paul
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References:
- Re: Always passing mm and vma down (was: [RFC][PATCH] Convert do_no_page() to a hook to avoid DFS race)
  - From: "Paul E. McKenney" <paulmck@us.ibm.com>
- Re: Always passing mm and vma down (was: [RFC][PATCH] Convert do_no_page() to a hook to avoid DFS race)
  - From: Andrea Arcangeli <andrea@suse.de>
- Re: Always passing mm and vma down (was: [RFC][PATCH] Convert do_no_page() to a hook to avoid DFS race)
  - From: "Paul E. McKenney" <paulmck@us.ibm.com>
- Re: Always passing mm and vma down (was: [RFC][PATCH] Convertdo_no_page() to a hook to avoid DFS race)
  - From: Arjan van de Ven <arjanv@redhat.com>

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