Messages in this thread | | | Date | Mon, 31 May 1999 15:38:27 -0400 | From | Jeff Garzik <> | Subject | Re: Using IPC-calls in a device driver |
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Alan Cox wrote: > > > We are a couple of students trying to create a network memory pager on a > > linux system. The pager is implemented as a device driver, which should be > > mounted as swapping device. However, we rely heavily on inter process > > communication. So far we have not been able to figure out how to use these > > calls in the driver. Or even if it is possible at all. > > If you are swapping I doubt you can. A swap handler cannot do any memory > allocations or may deadlock. Thats why we dont allow NFS swap for example.
Isn't this what the network block device driver does/allows already? (CONFIG_BLK_DEV_NBD)
Jeff
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