linux-kernel - Re: [RFC PATCH v1 2/4] mm: also set VMA in khugepaged range invalidation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20191211154429.7tscxcqk725guyce@box>
Date:   Wed, 11 Dec 2019 18:44:29 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     Mircea CIRJALIU - MELIU <mcirjaliu@...defender.com>
Cc:     "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jerome Glisse <jglisse@...hat.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        "aarcange@...hat.com" <aarcange@...hat.com>
Subject: Re: [RFC PATCH v1 2/4] mm: also set VMA in khugepaged range
 invalidation

On Wed, Dec 11, 2019 at 09:29:21AM +0000, Mircea CIRJALIU - MELIU wrote:
> MMU notifier client may need the VMA for extra info.
> This change is needed by the remote mapping feature that inspects anon VMAs
> with huge mappings. 

The change itself is okay, but commit message should be better.

Do we have any user of mmu notifiers in current kernel that affected by
the missing vma here?

And subject starting with 'also' looks wrong to me.

-- 
 Kirill A. Shutemov