linux-kernel - Re: [PATCH -mm 0/3] i386 boot: replace boot_ioremap with enhanced bt

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Message-ID: <20080115084417.GA16449@elte.hu>
Date:	Tue, 15 Jan 2008 09:44:17 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"Huang, Ying" <ying.huang@...el.com>
Cc:	akpm@...ux-foundation.org, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Andi Kleen <ak@...e.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -mm 0/3] i386 boot: replace boot_ioremap with enhanced
	bt_ioremap


* Huang, Ying <ying.huang@...el.com> wrote:

> This patchset replaces boot_ioremap with a enhanced version of 
> bt_ioremap and renames the bt_ioremap to early_ioremap. This reduces 
> 12k from .init.data segment and increases the size of memory that can 
> be re-mapped before paging_init to 64k.

in latest x86.git#mm there's an early_ioremap() introduced as part of 
the PAT series - available on both 32-bit and 64-bit. Could you take a 
look at it and use that if it's OK for your purposes?

	Ingo
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