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Date: Thu, 20 Sep 2001 00:26:05 +0200
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From: Christoph Hellwig <hch@ns.caldera.de>
To: rfuller@nsisoftware.com ("Rob Fuller")
Cc: linux-kernel@vger.kernel.org
Subject: Re: broken VM in 2.4.10-pre9
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In article <878A2048A35CD141AD5FC92C6B776E4907B7A5@xchgind02.nsisw.com> you wrote:
> In my one contribution to this thread I wrote:
>
> "One argument for reverse mappings is distributed shared memory or
> distributed file systems and their interaction with memory mapped files.
> For example, a distributed file system may need to invalidate a specific
> page of a file that may be mapped multiple times on a node."

Please take a look at zap_inode_mappings in -ac.
Currently it only invalidates a whole mapping, but we can easily add
offset and lenght (and will probably do).

	Christoph

-- 
Whip me.  Beat me.  Make me maintain AIX.