linux-kernel - Re: [PATCH 0/3 v11] add reserved e820 ranges to the kdump kernel e820 table

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Message-ID: <20190612180724.GP32652@zn.tnic>
Date:   Wed, 12 Jun 2019 20:07:24 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     "Lendacky, Thomas" <Thomas.Lendacky@....com>
Cc:     Baoquan He <bhe@...hat.com>, lijiang <lijiang@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kexec@...ts.infradead.org" <kexec@...ts.infradead.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        "luto@...nel.org" <luto@...nel.org>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "x86@...nel.org" <x86@...nel.org>, "hpa@...or.com" <hpa@...or.com>,
        "dyoung@...hat.com" <dyoung@...hat.com>
Subject: Re: [PATCH 0/3 v11] add reserved e820 ranges to the kdump kernel
 e820 table

On Wed, Jun 12, 2019 at 04:52:22PM +0000, Lendacky, Thomas wrote:
> I think the discussion ended up being that debuginfo wasn't being stripped
> from the kernel and initrd (mainly the initrd).  What are the sizes of
> the kernel and initrd that you are loading for kdump via kexec?
> 
> From previous post:
>   kexec -s -p /boot/vmlinuz-5.2.0-rc3+ --initrd=/boot/initrd.img-5.2.0-rc3+

You mean those sizes?

$ ls -lh /boot/vmlinuz-5.2.0-rc3+ /boot/initrd.img-5.2.0-rc3+
-rw-r--r-- 1 root root 7.8M Jun 10 12:53 /boot/initrd.img-5.2.0-rc3+
-rw-r--r-- 1 root root 6.7M Jun 10 12:53 /boot/vmlinuz-5.2.0-rc3+

That should fit easily in 256M :)

-- 
Regards/Gruss,
    Boris.

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