Re: [PATCH 3/4] dma-debug: Dynamically expand the dma_debug_entry pool

[Christoph Hellwig]

On Tue, Dec 04, 2018 at 01:11:37PM +0000, Robin Murphy wrote:
> In fact, having got this far in, what I'd quite like to do is to get rid of 
> dma_debug_resize_entries() such that we never need to free things at all, 
> since then we could allocate whole pages as blocks of entries to save on 
> masses of individual slab allocations.

Yes, we should defintively kill dma_debug_resize_entries.  Allocating
page batches might sound nice, but is that going to introduce additional
complexity?