Re: [PATCH 0/3 v2] Fix kdump failures with crashkernel=high

From: Joerg Roedel
Date: Sat Feb 14 2015 - 11:11:43 EST

Hi Baoquan,

On Sat, Feb 14, 2015 at 06:58:34PM +0800, Baoquan He wrote:
> This patch is very helpful and necessary since several users complained
> about the failure caused by not enough low mem. And the default value
> 256M is suitable since the testing data showed it's sufficient
> now and should be save for a long time.
> And it also makes sense to supress the warning from buddy allocation
> failure which will call dump_stack in x86_swiotlb_alloc_coherent. Since
> it tried buddy allocation several times before the final try of bounce
> buffer allocation.
> So ack the whole patch set.
> Acked-by: Baoquan He <bhe@xxxxxxxxxx>

Thanks a lot!

> Hi Joerg,
> Thanks for your effort on this issue.
> Could you please also update the cover letter or patch log to tell
> how 256M comes out with the later test result? I think it is convincing
> and helpful to understand.

Sure thing, will update the patch description before I resend the



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