Messages in this thread | | | Subject | Re: [PATCH v5] arm64: kdump: simplify the reservation behaviour of crashkernel=,high | From | "Leizhen (ThunderTown)" <> | Date | Fri, 14 Apr 2023 10:27:39 +0800 |
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On 2023/4/13 22:30, Catalin Marinas wrote: > On Thu, Apr 13, 2023 at 03:45:50PM +0800, Baoquan He wrote: >> I am OK with this version, or the version with min(SZ_4G, >> arm64_dma_phys_limit), or v4. Please help point out if I got your idea >> correctly. Thanks a lot. > > I think we should stick to this patch. The disabling of the ZONE_DMA(32) > is fairly specialised and you are right that we should not introduce an > artificial 4GB crashkernel boundary on such systems. The slight > confusion may be that ,high triggers a search above 4GB where there's > not such boundary but this would match the documentation anyway. >
Agreed, so careful.
-- Regards, Zhen Lei
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