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Re: [PATCH 1/2] remap file pages MAP_NONBLOCK fix

To: Rik van Riel <riel@redhat.com>, Jeff Garzik <jgarzik@pobox.com>
Subject: Re: [PATCH 1/2] remap file pages MAP_NONBLOCK fix
From: "Martin J. Bligh" <mbligh@aracnet.com>
Date: Fri, 05 Sep 2003 12:44:40 -0700
cc: Rajesh Venkatasubramanian <vrajesh@eecs.umich.edu>, akpm@osdl.org,Ingo Molnar <mingo@elte.hu>, linux-mm@kvack.org
Fake-Sender: owner-linux-mm@kvack.org
In-Reply-To: <Pine.LNX.4.44.0309051545190.22540-100000@chimarrao.boston.redhat.com>
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References: <Pine.LNX.4.44.0309051545190.22540-100000@chimarrao.boston.redhat.com>
Sender: Rik van Riel <riel@nl.linux.org>

>> Or we could just kill remap_file_pages(), because it's a PITA to
>> maintain and it has maybe 10 legitimate users in the entire world...
> 
> It has its uses.  I just don't think it should support
> a non-mlocked VMA or deal with files being truncated.
> 
> The remap_file_pages we have in Taroon is pretty light
> weight. I hope the implementation in 2.6 will be
> simplified too ;)

We did actually agree to do this at Kernel Summit too ....

M.

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References:
- Re: [PATCH 1/2] remap file pages MAP_NONBLOCK fix
  - From: Rik van Riel <riel@redhat.com>

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