linux-kernel - Re: [PATCH -mm 1/2 -v2] kexec/i386: kexec page table code clean up

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Message-ID: <20080118091108.GD10957@verge.net.au>
Date:	Fri, 18 Jan 2008 18:11:09 +0900
From:	Simon Horman <horms@...ge.net.au>
To:	"Huang, Ying" <ying.huang@...el.com>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ian Campbell <Ian.Campbell@...rix.com>,
	Magnus Damm <magnus.damm@...il.com>,
	linux-kernel@...r.kernel.org, kexec@...ts.infradead.org
Subject: Re: [PATCH -mm 1/2 -v2] kexec/i386: kexec page table code clean up
	- add arch_kimage

On Tue, Jan 15, 2008 at 02:05:46PM +0800, Huang, Ying wrote:
> This patch add an architecture specific struct arch_kimage into struct
> kimage. Three pointers to page table pages used by kexec are added to
> struct arch_kimage. The page tables pages are dynamically allocated in
> machine_kexec_prepare instead of statically from BSS segment. This
> will save up to 20k memory when kexec image is not loaded.

I like this idea a lot.

Acked-by: Simon Horman <horms@...ge.net.au>

> Signed-off-by: Huang Ying <ying.huang@...el.com>

-- 
Horms

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