linux-kernel - Re: [PATCH] x86_64: reserve crashkernel bootmem before reserve dma32 bootmem

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Date:	Mon, 14 Jul 2008 00:14:14 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Joe Jin" <joe.jin@...cle.com>, "Ingo Molnar" <mingo@...e.hu>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Andi Kleen" <andi@...stfloor.org>, greg.marsden@...cle.com,
	tao.ma@...cle.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86_64: reserve crashkernel bootmem before reserve dma32 bootmem

On Thu, Jul 10, 2008 at 10:32 AM, Yinghai Lu <yhlu.kernel@...il.com> wrote:
> On Thu, Jul 10, 2008 at 5:34 AM, Joe Jin <joe.jin@...cle.com> wrote:
>> Before reserve_crashkernel, dma32_reserve_bootmem would reserve 128M memory.
>> this cuased crashkernel end address must less than 64M or start address must
>> more than 192M except crashkernel memory reserved before dma32 memory reserved.
>>
>> This patch against 2.6.26-rc9
>>
>> Signed-off-by: Joe Jin <joe.jin@...cle.com>
>> ---
>>  setup_64.c |    4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> --- linux-2.6.26-rc9/arch/x86/kernel/setup_64.c.orig    2008-07-10 16:34:12.000000000 +0800
>> +++ linux-2.6.26-rc9/arch/x86/kernel/setup_64.c 2008-07-10 16:35:00.000000000 +0800
>> @@ -444,8 +444,6 @@ void __init setup_arch(char **cmdline_p)
>>        contig_initmem_init(0, end_pfn);
>>  #endif
>>
>> -       dma32_reserve_bootmem();
>> -
>>  #ifdef CONFIG_ACPI_SLEEP
>>        /*
>>         * Reserve low memory region for sleep support.
>> @@ -486,6 +484,8 @@ void __init setup_arch(char **cmdline_p)
>>  #endif
>>        reserve_crashkernel();
>>
>> +       dma32_reserve_bootmem();
>> +
>>        reserve_ibft_region();
>>
>>        paging_init();
>
> Acked-by: Yinghai Lu <yhlu.kernel@...il.com>
>

Ingo,

it seems you missed this patch..., it should get into 2.6.26..stable..too

YH
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