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Date: Tue, 2 Jun 2015 16:54:01 +0800
From: Baoquan He <bhe@redhat.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: Ingo Molnar <mingo@redhat.com>, Thomas Gleixner <tglx@linutronix.de>,
        "H. Peter Anvin" <hpa@zytor.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, x86@kernel.org,
        linux-kernel@vger.kernel.org, Joerg Roedel <jroedel@suse.de>
Subject: Re: [PATCH 0/3 v2] Fix kdump failures with crashkernel=high
Message-ID: <20150602085401.GA31889@dhcp-128-28.nay.redhat.com>
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 <20150214105834.GA7478@dhcp-17-102.nay.redhat.com>
 <20150214161135.GJ29106@8bytes.org>
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On 02/14/15 at 05:11pm, Joerg Roedel wrote:
> 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@redhat.com> 
> 
> 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
> series.

Hi Joerg,

Ping!

About this patchset, what's your plan?


Thanks
Baoquan