On Tue, 2020-11-24 at 10:16 +0000, Christoph Hellwig wrote: > On Mon, Nov 23, 2020 at 12:01:35AM +0000, Edgecombe, Rick P wrote: > > Another option could be putting the new metadata in vm_struct and > > just > > return that, like get_vm_area(). Then we don't need to invent a new > > struct. But then normal vmalloc()'s would have a bit of wasted > > memory > > since they don't need this metadata. > > That would seem most natural to me. We'll need to figure out how we > can do that without bloating vm_struct too much. One option would > be a bigger structure that embedds vm_struct and can be retreived > using > container_of(). Hmm, neat. I can change this in the next version.