linux-kernel - Re: [PATCH 0/8] x86, acpi: Move acpi_initrd

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Message-ID: <CAE9FiQU_JyJbYjpBQjfusc0=qjQjkA+2cxbVynEi_0mgKJFF4g@mail.gmail.com>
Date:	Fri, 23 Aug 2013 13:48:54 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Russ Anderson <rja@....com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Zhang Yanfei <zhangyanfei.yes@...il.com>,
	Toshi Kani <toshi.kani@...com>, Tejun Heo <tj@...nel.org>,
	Tang Chen <tangchen@...fujitsu.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Bob Moore <robert.moore@...el.com>,
	Lv Zheng <lv.zheng@...el.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Renninger <trenn@...e.de>,
	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>,
	Mel Gorman <mgorman@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/8] x86, acpi: Move acpi_initrd_override() earlier.

On Fri, Aug 23, 2013 at 1:30 PM, Russ Anderson <rja@....com> wrote:
> On Fri, Aug 23, 2013 at 01:08:56PM -0700, Yinghai Lu wrote:
>> On Fri, Aug 23, 2013 at 11:25 AM, H. Peter Anvin <hpa@...or.com> wrote:

>> Russ, What is ACPI table size on your big machine?
>
> This is from a 256 socket 32TB system.
>
>  Reserving 256MB of memory at 66973408MB for crashkernel (System RAM: 32501719MB)
>  ACPI: RSDP 000000007ef3d014 00024 (v02 INTEL )
>  ACPI: XSDT 000000007ef3d120 0007C (v01 INTEL  TIANO    00000000      01000013)
>  ACPI: FACP 000000007ef3a000 000F4 (v04 INTEL  TIANO    00000000 MSFT 01000013)
>  ACPI: DSDT 000000007e6c3000 7F493E (v02   SGI2      UVX 00000002 MSFT 01000013)
>  ACPI: FACS 000000007d147000 00040
>  ACPI: UEFI 000000007ef3c000 0012A (v01  INTEL  RstScuO 00000000      00000000)
>  ACPI: UEFI 000000007ef3b000 0005C (v01  INTEL  RstScuV 00000000      00000000)
>  ACPI: HPET 000000007ef39000 00038 (v01 INTEL  TIANO    00000001 MSFT 01000013)
>  ACPI: SSDT 000000007ef33000 05352 (v02  INTEL ROSECITY 00000003 INTL 20070508)
>  ACPI: SLIT 000000007ef10000 1002C (v01   SGI2      UVX 00000002 MSFT 00000001)
>  ACPI: APIC 000000007eeee000 10070 (v03   SGI2      UVX 00000002 MSFT 00000001)
>  ACPI: SRAT 000000007eeb8000 1A830 (v03   SGI2      UVX 00000002 MSFT 00000001)
>  ACPI: MCFG 000000007d6d4000 0105C (v01   SGI2      UVX 00000002 MSFT 00000001)
>  ACPI: SPCR 000000007e6c2000 00050 (v01                 00000000      00000000)
>  ACPI: DMAR 000000007d6d3000 0013C (v01 INTEL  TIANO    00000001 MSFT 01000013)
>

so the DSDT is 7F493E, and total is more than 8M.

that will need BRK to be extended 16M?

Thanks

Yinghai
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