From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Yinghai Lu <yinghai@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@elte.hu>,
the arch/x86 maintainers <x86@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH RFC] x86: add brk allocation for very, very early allocations
Date: Fri, 27 Feb 2009 13:02:37 -0800 [thread overview]
Message-ID: <49A854ED.7020401@goop.org> (raw)
In-Reply-To: <49A84C5A.3020304@kernel.org>
Yinghai Lu wrote:
> it seems reserve _brk_end is some late?
>
> init_memory_mapping(0,...) could get some for direct mapping page table. and it could start from _end...
>
Ah, thanks! I was confused by the use of reserve_early() in
initmem_init(), but they're OK because they allocate out of the e820 map
at that point (and init_memory_mapping() reserves everything it allocates).
I'll give it a whirl.
J
next prev parent reply other threads:[~2009-02-27 21:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-27 17:58 [PATCH RFC] x86: add brk allocation for very, very early allocations Jeremy Fitzhardinge
2009-02-27 18:43 ` H. Peter Anvin
2009-02-27 19:17 ` H. Peter Anvin
2009-02-27 19:26 ` Jeremy Fitzhardinge
2009-02-27 20:26 ` Yinghai Lu
2009-02-27 21:02 ` Jeremy Fitzhardinge [this message]
2009-02-27 21:05 ` H. Peter Anvin
2009-02-27 21:19 ` Jeremy Fitzhardinge
2009-02-27 21:28 ` H. Peter Anvin
2009-02-27 21:41 ` Jeremy Fitzhardinge
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