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Date: Sat, 3 Feb 2018 21:57:13 +0200
From: Igor Stoppa <igor.stoppa@...wei.com>
To: Christopher Lameter <cl@...ux.com>, Matthew Wilcox <willy@...radead.org>,
	Boris Lukashev <blukashev@...pervictus.com>
CC: Jann Horn <jannh@...gle.com>, <jglisse@...hat.com>, Kees Cook
	<keescook@...omium.org>, Michal Hocko <mhocko@...nel.org>, Laura Abbott
	<labbott@...hat.com>, Christoph Hellwig <hch@...radead.org>,
	<linux-security-module@...r.kernel.org>, <linux-mm@...ck.org>, kernel list
	<linux-kernel@...r.kernel.org>, Kernel Hardening
	<kernel-hardening@...ts.openwall.com>
Subject: Re: [PATCH 4/6] Protectable Memory

>> On Thu, 25 Jan 2018, Matthew Wilcox wrote:

>>> It's worth having a discussion about whether we want the pmalloc API
>>> or whether we want a slab-based API.  
I'd love to have some feedback specifically about the API.

I have also some idea about userspace and how to extend the pmalloc
concept to it:

http://www.openwall.com/lists/kernel-hardening/2018/01/30/20

I'll be AFK intermittently for about 2 weeks, so i might not be able to
reply immediately, but from my perspective this would be just the
beginning of a broader hardening of both kernel and userspace that I'd
like to pursue.

--
igor

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