From: Yinghai Lu <yinghai@kernel.org>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [crash] Re: Latest brk patchset
Date: Mon, 16 Mar 2009 11:17:20 -0700 [thread overview]
Message-ID: <49BE97B0.8000004@kernel.org> (raw)
In-Reply-To: <49BE9248.6050707@goop.org>
Jeremy Fitzhardinge wrote:
> Yinghai Lu wrote:
>> could be max_pfn_mapped change in head_32.S that reduce mapping range
>> to _end only.
>>
>
> Yes, I would say you're right. Trimming the mapping to _end only leaves
> the space under the kernel avaliable for allocating pagetable from e820
> space. In this case we've got DEBUG_PAGEALLOC enabled, which inhibits
> the use of PSE, and BIOS corruption checking on, which eats a chunk of
> low memory. In combination, there's only 0x8f000 bytes free below the
> kernel, and it needs 0xe1000 to allocate for pagetables.
>
> Reverting 2bd2753ff46346543ab92e80df9d96366e21baa5 fixes the problem for
> me, though it does result in a kernel with a 73MB BSS...
>
need more extra check for INIT_MAP_SIZE calculating...
YH
next prev parent reply other threads:[~2009-03-16 18:18 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-14 23:43 Latest brk patchset H. Peter Anvin
2009-03-15 0:32 ` Jeremy Fitzhardinge
2009-03-15 0:37 ` H. Peter Anvin
2009-03-15 6:09 ` Jeremy Fitzhardinge
2009-03-15 6:29 ` Jeremy Fitzhardinge
2009-03-15 20:38 ` [crash] " Ingo Molnar
2009-03-15 20:42 ` Ingo Molnar
2009-03-15 21:19 ` Jeremy Fitzhardinge
2009-03-15 21:28 ` Ingo Molnar
2009-03-15 23:28 ` Jeremy Fitzhardinge
2009-03-16 8:54 ` Ingo Molnar
2009-03-16 16:12 ` Jeremy Fitzhardinge
2009-03-16 16:56 ` Yinghai Lu
2009-03-16 17:20 ` Jeremy Fitzhardinge
2009-03-16 17:54 ` Jeremy Fitzhardinge
2009-03-16 18:15 ` H. Peter Anvin
2009-03-16 18:17 ` Yinghai Lu [this message]
2009-03-16 18:22 ` H. Peter Anvin
2009-03-16 18:31 ` Yinghai Lu
2009-03-16 18:17 ` H. Peter Anvin
2009-03-16 19:25 ` Jeremy Fitzhardinge
2009-03-16 19:34 ` H. Peter Anvin
2009-03-16 19:48 ` Yinghai Lu
2009-03-16 20:00 ` Jeremy Fitzhardinge
2009-03-16 20:26 ` H. Peter Anvin
2009-03-16 20:59 ` Jeremy Fitzhardinge
2009-03-16 21:14 ` H. Peter Anvin
2009-03-16 21:31 ` Jeremy Fitzhardinge
2009-03-16 22:35 ` H. Peter Anvin
2009-03-17 2:26 ` Yinghai Lu
2009-03-17 4:00 ` H. Peter Anvin
2009-03-17 5:07 ` Jeremy Fitzhardinge
2009-03-17 16:04 ` H. Peter Anvin
2009-03-17 19:42 ` Jeremy Fitzhardinge
2009-03-17 19:45 ` H. Peter Anvin
2009-03-17 19:59 ` Jeremy Fitzhardinge
2009-03-17 21:19 ` Yinghai Lu
2009-03-17 21:28 ` Jeremy Fitzhardinge
2009-03-17 19:47 ` Jeremy Fitzhardinge
2009-03-22 15:09 ` Ingo Molnar
2009-03-22 17:12 ` Jeremy Fitzhardinge
2009-03-22 17:22 ` Ingo Molnar
2009-03-22 21:48 ` Jeremy Fitzhardinge
2009-03-23 16:39 ` [tip:x86/setup] x86/dmi: fix dmi_alloc() section mismatches Jeremy Fitzhardinge
2009-03-15 1:37 ` Latest brk patchset H. Peter Anvin
2009-03-15 4:43 ` Yinghai Lu
2009-03-15 4:51 ` H. Peter Anvin
2009-03-15 5:33 ` Yinghai Lu
2009-03-15 6:05 ` Jeremy Fitzhardinge
2009-03-15 6:25 ` Yinghai Lu
2009-03-15 6:03 ` Jeremy Fitzhardinge
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