linux-kernel - Re: [PATCH 2/7] kvm mmu: infrastructure changes for multiple huge page support

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Date:	Sun, 29 Mar 2009 14:38:39 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Joerg Roedel <joerg.roedel@....com>
CC:	Marcelo Tosatti <mtosatti@...hat.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/7] kvm mmu: infrastructure changes for multiple huge
 page support

Joerg Roedel wrote:
> This patch includes most of the necessary changes to the KVM SoftMMU for
> supporting more than one huge page size. The changes in this patch
> include:
>
>   * introduce 'enum kvm_page_size' which is used to represent the page
>     size used
>   

How about the concept of page_level instead, which returns the level of 
a page in terms of the paging hierarchy?  Would be easier to compare 
against in the various walkers.

I've been thinking for a while to make levels zero-based, so 0 would be 
a 4K page, 1 a 2M page, and 2 a 1GB page.




-- 
error compiling committee.c: too many arguments to function

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