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Date:   Mon, 4 Mar 2019 16:52:10 +0800
From:   Baoquan He <>
To:     "Kirill A. Shutemov" <>
Subject: Re: [PATCH v2 0/2] x86/mm/KASLR: Change the granularity of
 randomization to PUD size in 5-level

On 03/04/19 at 11:15am, Kirill A. Shutemov wrote:
> On Fri, Mar 01, 2019 at 10:45:02PM +0800, Baoquan He wrote:
> > Hi Kirill,
> > 
> > I updated patch per your comments. While I kept the 'paddr' variable and
> > the '0' initilization stuffs. My thought is there are two kinds of mapping
> > in the handling, so keeping these names from old codes can make it more
> > understandable. What do you think?
> > 
> > Kind               Physical address            Virtual address
> > ----------------------------------------------------------------
> > Direct mapping     paddr                vaddr = paddr+PAGE_OFFSET
> > 1:1 mapping        paddr                    paddr
> I agree with your logic and patch looks good to me. But maybe you should
> exmplain this in the comments too?

OK, will add this into code comment, and sent a v3 patchset to wrap all
these changes according to your suggestions. Thanks a lot.


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