Re: broken VM in 2.4.10-pre9
Christoph Hellwig (hch@ns.caldera.de)
Thu, 20 Sep 2001 00:26:05 +0200
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.
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