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From: Pekka J Enberg <penberg@cs.helsinki.fi>
To: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Alan Cox <alan@redhat.com>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: mm snapshot broken-out-2007-03-18-02-44.tar.gz uploaded
Date: Mon, 19 Mar 2007 18:39:14 +0200 (EET)	[thread overview]
Message-ID: <Pine.LNX.4.64.0703191838220.22180@sbz-30.cs.Helsinki.FI> (raw)
In-Reply-To: <6bffcb0e0703190934i1c0d3e9av1300883271dcea53@mail.gmail.com>

On Mon, 19 Mar 2007, Michal Piotrowski wrote:
> > Yes, revoke-special-mmap-handling.patch is bad.
> 
> +               if (unlikely(vma->vm_flags & VM_REVOKED))
> +                       return -ENODEV;
> 
> Why -ENODEV?

That's what we want when trying to remap a revoked mapping (the vma is 
there, but you need to unmap it before reusing the region).

			Pekka

  reply	other threads:[~2007-03-19 16:39 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200703180946.l2I9kTVc020636@shell0.pdx.osdl.net>
2007-03-18 18:35 ` mm snapshot broken-out-2007-03-18-02-44.tar.gz uploaded Michal Piotrowski
     [not found]   ` <6bffcb0e0703190845s6bdc1a65p71937d1dffbf6d9e@mail.gmail.com>
2007-03-19 15:54     ` Pekka J Enberg
2007-03-19 16:29       ` Michal Piotrowski
2007-03-19 16:34         ` Michal Piotrowski
2007-03-19 16:39           ` Pekka J Enberg [this message]
2007-03-19 16:38         ` Pekka J Enberg
2007-03-19 16:45           ` Michal Piotrowski
     [not found]             ` <6bffcb0e0703191024w527638f8yacc3a8fea9fd451d@mail.gmail.com>
2007-03-19 18:02               ` Michal Piotrowski
2007-03-19 18:10                 ` Pekka J Enberg
2007-03-19 19:27                   ` Michal Piotrowski
2007-03-19 23:25   ` Andrew Morton
2007-03-20 11:43     ` Sam Ravnborg
2007-03-19 19:23 ` Michal Piotrowski
2007-03-19 21:08   ` Andrew Morton
     [not found]     ` <6bffcb0e0703191437i2ee706d4xaec3bc11ca7c3234@mail.gmail.com>
2007-03-20  1:58       ` Andrew Morton
2007-03-20  2:02         ` Andrew Morton
2007-03-20  2:47           ` Nick Piggin
2007-03-20  4:56             ` Andrew Morton
2007-03-20  5:17               ` Nick Piggin
2007-03-20  5:18                 ` Nick Piggin
2007-03-20  9:07                 ` Michal Piotrowski
2007-03-19 19:56 ` Michal Piotrowski
2007-03-20  7:17 ` Michal Piotrowski
2007-03-20 16:36   ` Andrew Morton
2007-03-20 18:22     ` Andi Kleen

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