linux-kernel - Re: [PATCH 3/3] x86/kdump/64: Change the upper limit of crashkernel reservation

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Message-ID: <20180830141349.GB14702@192.168.1.2>
Date:   Thu, 30 Aug 2018 22:13:49 +0800
From:   Baoquan He <bhe@...hat.com>
To:     "Kirill A. Shutemov" <kirill@...temov.name>
Cc:     x86@...nel.org, kexec@...ts.infradead.org,
        linux-kernel@...r.kernel.org, hpa@...or.com, tglx@...utronix.de,
        mingo@...nel.org, kirill.shutemov@...ux.intel.com
Subject: Re: [PATCH 3/3] x86/kdump/64: Change the upper limit of crashkernel
 reservation

On 08/30/18 at 04:50pm, Kirill A. Shutemov wrote:
> On Wed, Aug 29, 2018 at 10:16:24PM +0800, Baoquan He wrote:
> > Restrict kdump to only reserve crashkernel below 64TB. Since the kdump
> > jumping may be from 5-level to 4-level, and the kdump kernel is put
> > above 64TB in 5-level kernel, then the jumping will fail. And the
> > crashkernel reservation is done during the 1st kernel bootup, there's
> > no way to detect the paging mode of kdump kernel at that time.
> > 
> > Hence change the upper limmit of crashkernel reservation to 64TB
> 
> s/limmit/limit/

Thanks, will change.