linux-kernel - Re: [PATCH] x86, cpa: Cleanup split_large

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Message-ID: <alpine.LFD.2.02.1303262155460.22263@ionos>
Date:	Tue, 26 Mar 2013 21:56:05 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Borislav Petkov <bp@...en8.de>
cc:	X86 ML <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
	Borislav Petkov <bp@...e.de>
Subject: Re: [PATCH] x86, cpa: Cleanup split_large_page and its callee

On Thu, 21 Mar 2013, Borislav Petkov wrote:

> From: Borislav Petkov <bp@...e.de>
> 
> So basically we're generating the pte_t * from a struct page and we're
> handing it down to the __split_large_page internal version which then
> goes and gets back struct page * from it because it needs it.
> 
> Change the caller to hand down struct page * directly and the callee can
> compute the pte_t itself.
> 
> Net save is one virt_to_page() call and simpler code. While at it, make
> __split_large_page static.
> 
> Signed-off-by: Borislav Petkov <bp@...e.de>

Acked-by: Thomas Gleixner <tglx@...utronix.de>
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