| Date | Mon, 13 Dec 2021 08:44:04 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH RESEND v2 2/5] dma-pool: allow user to disable atomic pool |
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On Tue, Dec 07, 2021 at 11:07:47AM +0800, Baoquan He wrote: > In the current code, three atomic memory pools are always created, > atomic_pool_kernel|dma|dma32, even though 'coherent_pool=0' is > specified in kernel command line. In fact, atomic pool is only > necessary when CONFIG_DMA_DIRECT_REMAP=y or mem_encrypt_active=y > which are needed on few ARCHes.
And only these select the atomic pool, so it won't get created otherwise. What problem are you trying to solve?
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