Re: [PATCH] x86, kdump: Set crashkernel_low automatically
From: H. Peter Anvin
Date: Mon Mar 18 2013 - 15:13:27 EST
On 03/18/2013 08:33 AM, Vivek Goyal wrote:
> Thinking more about it, if ongoing DMA is an issue, then setting up
> software iotlb in those areas is also prone to being overwritten by
> those DMAs. Hence, reserving memory low where no DMA is setup by first
> kernel, seems somewhat safer.
Agreed. We really should reserve some memory low.
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