Messages in this thread | | | From | (Alan Cox) | Subject | Re: Address spaces on a i386 - Getting Confused | Date | Tue, 30 Mar 1999 15:28:46 +0100 (BST) |
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> David Miller writes: > > Date: Tue, 30 Mar 1999 22:36:04 +1000 > > From: Richard Gooch <rgooch@atnf.csiro.au> > > > > ??? Pages returned by kmalloc() or get_free_page() aren't > > swappable. > > > > Brain fart, sorry. He will however have to make sure he free's up the > > pages when the device is closed because the kernel isn't going to do > > it during normal address space destruction. > > Or perhaps that could be done in the unmap() vm_ops method?
The release handler in 2.1.x/2.2.x is called after the last close & all mappings are gone for exactly this reason
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