Re: [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation

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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.




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