Messages in this thread | | | Date | Mon, 22 Aug 2022 14:27:59 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH 3/3] dma-pool: limit DMA and DMA32 zone size pools |
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On Mon, Aug 22, 2022 at 02:09:13PM +0200, Michal Hocko wrote: > OK, so you are worried about configurations that lack ZONE_DMA32 because > that memory range is covered by ZONE_DMA? I thought though simply do not > have CONFIG_ZONE_DMA32. Or am I wrong here?
Zones can disappear when they are empty. Normally that affects ZONE_NORMAL and ZONE_HIGHMEM, but it can also happen to ZONE_DMA32 when there is not enough memory.
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