linux-kernel - Re: [PATCH v3 2/2] x86/mm/KASLR: Change the granularity of randomization to PUD size in 5-level

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Message-ID: <20190312073953.zctjqb425e355ktz@kshutemo-mobl1>
Date:   Tue, 12 Mar 2019 10:39:53 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     Baoquan He <bhe@...hat.com>
Cc:     linux-kernel@...r.kernel.org, kirill.shutemov@...ux.intel.com,
        dave.hansen@...ux.intel.com, luto@...nel.org, peterz@...radead.org,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
        x86@...nel.org, keescook@...omium.org, thgarnie@...gle.com
Subject: Re: [PATCH v3 2/2] x86/mm/KASLR: Change the granularity of
 randomization to PUD size in 5-level

On Fri, Mar 08, 2019 at 10:56:16AM +0800, Baoquan He wrote:
> The current randomization granularity of 5-level is 512 GB. Improve
> it to 1 GB. This can add more randomness to memory region KASLR in
> 5-level paging mode
> 
> Signed-off-by: Baoquan He <bhe@...hat.com>

Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

-- 
 Kirill A. Shutemov