From: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
To: Yinghai Lu <yinghai-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
jerry.hoemann-VXdhtT5mjnY@public.gmane.org,
Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>,
Rob Landley <rob-VoJi6FS/r0vR7s880joybQ@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
the arch/x86 maintainers
<x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Matt Fleming
<matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Borislav Petkov <bp-l3A5Bk7waGM@public.gmane.org>,
"linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Pekka Enberg <penberg-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Ingo Molnar
<mingo.kernel.org-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [RFC v2 0/2] Early use of boot service memory
Date: Thu, 21 Nov 2013 17:31:54 -0800 [thread overview]
Message-ID: <528EB40A.3040203@zytor.com> (raw)
In-Reply-To: <CAE9FiQUx5rnA0kpqXRQYtpj9Qk-4bPGaUKEbbF=XHsZbnSd6Rg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 11/21/2013 05:29 PM, Yinghai Lu wrote:
> On Thu, Nov 21, 2013 at 5:25 PM, <jerry.hoemann-VXdhtT5mjnY@public.gmane.org> wrote:
>> On Thu, Nov 21, 2013 at 05:12:57PM -0800, H. Peter Anvin wrote:
>>
>> Large systems w/ lots of IO require large crash kernel allocations for
>> the kernel to boot. Then you have to worry about the OOM killer.....
>
> so go with crashkernel=1024M,high.
>
Yes, there is no bloody excuse to hog that much low memory.
-hpa
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Yinghai Lu <yinghai@kernel.org>,
jerry.hoemann@hp.com, Vivek Goyal <vgoyal@redhat.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>,
Rob Landley <rob@landley.net>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
the arch/x86 maintainers <x86@kernel.org>,
Matt Fleming <matt.fleming@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Borislav Petkov <bp@suse.de>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-efi@vger.kernel.org, Pekka Enberg <penberg@kernel.org>,
Ingo Molnar <mingo.kernel.org@gmail.com>
Subject: Re: [RFC v2 0/2] Early use of boot service memory
Date: Thu, 21 Nov 2013 17:31:54 -0800 [thread overview]
Message-ID: <528EB40A.3040203@zytor.com> (raw)
In-Reply-To: <CAE9FiQUx5rnA0kpqXRQYtpj9Qk-4bPGaUKEbbF=XHsZbnSd6Rg@mail.gmail.com>
On 11/21/2013 05:29 PM, Yinghai Lu wrote:
> On Thu, Nov 21, 2013 at 5:25 PM, <jerry.hoemann@hp.com> wrote:
>> On Thu, Nov 21, 2013 at 05:12:57PM -0800, H. Peter Anvin wrote:
>>
>> Large systems w/ lots of IO require large crash kernel allocations for
>> the kernel to boot. Then you have to worry about the OOM killer.....
>
> so go with crashkernel=1024M,high.
>
Yes, there is no bloody excuse to hog that much low memory.
-hpa
next prev parent reply other threads:[~2013-11-22 1:31 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-21 21:01 [RFC v2 0/2] Early use of boot service memory Jerry Hoemann
2013-11-21 21:01 ` [RFC v2 1/2] efi: " Jerry Hoemann
2013-11-21 21:01 ` [RFC v2 2/2] x86, " Jerry Hoemann
2013-11-21 22:19 ` Borislav Petkov
[not found] ` <1385067686-73500-1-git-send-email-jerry.hoemann-VXdhtT5mjnY@public.gmane.org>
2013-11-21 23:07 ` [RFC v2 0/2] " Matthew Garrett
2013-11-21 23:07 ` Matthew Garrett
[not found] ` <20131121230744.GA31592-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2013-11-21 23:18 ` H. Peter Anvin
2013-11-21 23:18 ` H. Peter Anvin
2013-11-21 23:37 ` Matthew Garrett
2013-11-22 1:12 ` H. Peter Anvin
2013-11-22 1:25 ` jerry.hoemann
[not found] ` <20131122012524.GA5627-dMAi7lA+vBPDUbYHzcRnttBPR1lH4CV8@public.gmane.org>
2013-11-22 1:29 ` Yinghai Lu
2013-11-22 1:29 ` Yinghai Lu
2013-11-22 2:29 ` Vivek Goyal
[not found] ` <20131122022957.GE31921-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-11-22 3:32 ` HATAYAMA Daisuke
2013-11-22 3:32 ` HATAYAMA Daisuke
[not found] ` <CAE9FiQUx5rnA0kpqXRQYtpj9Qk-4bPGaUKEbbF=XHsZbnSd6Rg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-22 1:31 ` H. Peter Anvin [this message]
2013-11-22 1:31 ` H. Peter Anvin
2013-11-22 2:34 ` Vivek Goyal
[not found] ` <20131122023406.GG31921-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-11-22 2:42 ` H. Peter Anvin
2013-11-22 2:42 ` H. Peter Anvin
2013-11-22 2:32 ` Vivek Goyal
2013-11-22 2:32 ` Vivek Goyal
2013-11-21 23:31 ` jerry.hoemann-VXdhtT5mjnY
2013-11-21 23:31 ` jerry.hoemann
2013-11-21 23:38 ` Matthew Garrett
[not found] ` <20131121233831.GB32121-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2013-11-22 1:05 ` jerry.hoemann-VXdhtT5mjnY
2013-11-22 1:05 ` jerry.hoemann
2013-11-22 1:16 ` Matthew Garrett
2013-12-16 18:43 ` jerry.hoemann
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