Re: [PATCH v2] dma-mapping: fix dma_addressing_limited if dma_range_map can't cover all system RAM
From: Christoph Hellwig
Date: Tue Oct 10 2023 - 03:48:23 EST
dma_addressing_limited is called for every dma (direct) map, and this
new code is way to heavy for that. We'll need to cache the information
somehow.